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	<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?action=history&amp;feed=atom&amp;title=Clawdd_Seri</id>
	<title>Clawdd Seri - Hanes golygu</title>
	<link rel="self" type="application/atom+xml" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?action=history&amp;feed=atom&amp;title=Clawdd_Seri"/>
	<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clawdd_Seri&amp;action=history"/>
	<updated>2026-05-06T16:32:29Z</updated>
	<subtitle>Hanes diwygio&#039;r dudalen hon ar y wici</subtitle>
	<generator>MediaWiki 1.43.1</generator>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clawdd_Seri&amp;diff=10571&amp;oldid=prev</id>
		<title>Cyfaill Eben am 11:44, 29 Ionawr 2021</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clawdd_Seri&amp;diff=10571&amp;oldid=prev"/>
		<updated>2021-01-29T11:44:30Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 12:44, 29 Ionawr 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Clawdd Seri&#039;&#039;&#039; yn ffos a chlawdd sy&#039;n rhedeg ar draws &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;fynydd&lt;/del&gt;-dir [[Clipiau]] i&#039;r de o [[Gurn Ddu]] a [[Bwlch Mawr]]. Credir &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;iddo &lt;/del&gt;fod yn nodi ffin hen luest neu dir a amaethwyd gan fynaich Aberconwy yn y 13-16g.&amp;lt;ref&amp;gt;David M. Brown a Stephen Hughes, (gol.), The Archaeology of the Welsh Uplands (Aberystwyth, 2003), t.77 (Katherine Geary, Moel Bronymiod) &amp;lt;/ref&amp;gt; Mae dros gilometr o olion, sef ffos gyda chloddiau y ddwy ochr iddi, i&#039;w gweld ar y rhostir, yn cychwyn ym mhen pellaf [[Cwm Ceiliog]], plwyf [[Llanaelhaearn]] ac yn rhedeg bron at y [[Seler Ddu]] ym mhlwyf [[Clynnog Fawr]]. Gan fod &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;siartr &lt;/del&gt;Llywelyn ab Iorwerth, circa 1200, yn defnyddio&#039;r &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;enwi &lt;/del&gt;mae&#039;n bosibl fod y clawdd yn dyddio cyn yr adeg pan roddwyd &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;tioredd &lt;/del&gt;Cwm i Abaty Aberconwy.&amp;lt;ref&amp;gt;Comisiwn Henebion Cymru, ‘’Caernarvonshire’’ Cyf II (Llundain, 1960), tt.45-6&amp;lt;/ref&amp;gt;  Mae astudiaeth ddiweddar o gloddiau fel hyn trwy Brydain yn nodi mai dyma&#039;r unig glawdd ffin yng Ngwynedd, a&#039;i &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;bod hi&#039;n &lt;/del&gt;debygol o fod yn dyddio o&#039;r Oesoedd Canol Cynnar.&amp;lt;ref&amp;gt;Erik Grigg, &#039;&#039;Early Medieval Dykes (400 to 850AD)&#039;&#039;, Traethawd PhD Prifysgol Maanceinion, 2015, [https://www.escholar.manchester.ac.uk/api/datastream?publicationPid=uk-ac-man-scw:264469&amp;amp;datastreamId=FULL-TEXT.PDF], cyrchwyd 9.9.2019&amp;lt;/ref&amp;gt; Mae [[Llwybr Arfordir Llŷn]] yn &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;rhedeg &lt;/del&gt;heibio i&#039;r safle.&amp;lt;ref&amp;gt;Gwefan Coflein, [https://www.coflein.gov.uk/en/site/301073/details/clawdd-seri-medieval-boundary-clipiau-clynnog], cyrchwyd 9.9.2019&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Clawdd Seri&#039;&#039;&#039; yn ffos a chlawdd sy&#039;n rhedeg ar draws &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;mynydd&lt;/ins&gt;-dir [[Clipiau]] i&#039;r de o [[Gurn Ddu]] a [[Bwlch Mawr]]. Credir &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ei &lt;/ins&gt;fod yn nodi ffin hen luest neu dir a amaethwyd gan fynaich Aberconwy yn y 13-16g.&amp;lt;ref&amp;gt;David M. Brown a Stephen Hughes, (gol.), The Archaeology of the Welsh Uplands (Aberystwyth, 2003), t.77 (Katherine Geary, Moel Bronymiod) &amp;lt;/ref&amp;gt; Mae dros gilometr o olion, sef ffos gyda chloddiau y ddwy ochr iddi, i&#039;w gweld ar y rhostir, yn cychwyn ym mhen pellaf [[Cwm Ceiliog]], plwyf [[Llanaelhaearn]] ac yn rhedeg bron at y [[Seler Ddu]] ym mhlwyf [[Clynnog Fawr]]. Gan fod &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;siarter &lt;/ins&gt;Llywelyn ab Iorwerth, circa 1200, yn defnyddio&#039;r &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;enw &lt;/ins&gt;mae&#039;n bosibl fod y clawdd yn dyddio cyn yr adeg pan roddwyd &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;tiroedd &lt;/ins&gt;Cwm i Abaty Aberconwy.&amp;lt;ref&amp;gt;Comisiwn Henebion Cymru, ‘’Caernarvonshire’’ Cyf II (Llundain, 1960), tt.45-6&amp;lt;/ref&amp;gt;  Mae astudiaeth ddiweddar o gloddiau fel hyn trwy Brydain yn nodi mai dyma&#039;r unig glawdd ffin yng Ngwynedd, a&#039;i &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;fod yn &lt;/ins&gt;debygol o fod yn dyddio o&#039;r Oesoedd Canol Cynnar.&amp;lt;ref&amp;gt;Erik Grigg, &#039;&#039;Early Medieval Dykes (400 to 850AD)&#039;&#039;, Traethawd PhD Prifysgol Maanceinion, 2015, [https://www.escholar.manchester.ac.uk/api/datastream?publicationPid=uk-ac-man-scw:264469&amp;amp;datastreamId=FULL-TEXT.PDF], cyrchwyd 9.9.2019&amp;lt;/ref&amp;gt; Mae [[Llwybr Arfordir Llŷn]] yn &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;mynd &lt;/ins&gt;heibio i&#039;r safle.&amp;lt;ref&amp;gt;Gwefan Coflein, [https://www.coflein.gov.uk/en/site/301073/details/clawdd-seri-medieval-boundary-clipiau-clynnog], cyrchwyd 9.9.2019&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae&amp;#039;r enw, mae&amp;#039;n debyg, yn hawdd i&amp;#039;w esbonio: &amp;#039;&amp;#039;Clawdd&amp;#039;&amp;#039; a &amp;#039;&amp;#039;Seri&amp;#039;&amp;#039; neu Sarn, Palmant.&amp;lt;ref&amp;gt;Geiriadur Prifysgol Cymru&amp;lt;/ref&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae&amp;#039;r enw, mae&amp;#039;n debyg, yn hawdd i&amp;#039;w esbonio: &amp;#039;&amp;#039;Clawdd&amp;#039;&amp;#039; a &amp;#039;&amp;#039;Seri&amp;#039;&amp;#039; neu Sarn, Palmant.&amp;lt;ref&amp;gt;Geiriadur Prifysgol Cymru&amp;lt;/ref&amp;gt;  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Cyfaill Eben</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clawdd_Seri&amp;diff=6889&amp;oldid=prev</id>
		<title>Irion am 15:39, 9 Medi 2019</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clawdd_Seri&amp;diff=6889&amp;oldid=prev"/>
		<updated>2019-09-09T15:39:36Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 16:39, 9 Medi 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &amp;#039;&amp;#039;&amp;#039;Clawdd Seri&amp;#039;&amp;#039;&amp;#039; yn ffos a chlawdd sy&amp;#039;n rhedeg ar draws fynydd-dir [[Clipiau]] i&amp;#039;r de o [[Gurn Ddu]] a [[Bwlch Mawr]]. Credir iddo fod yn nodi ffin hen luest neu dir a amaethwyd gan fynaich Aberconwy yn y 13-16g.&amp;lt;ref&amp;gt;David M. Brown a Stephen Hughes, (gol.), The Archaeology of the Welsh Uplands (Aberystwyth, 2003), t.77 (Katherine Geary, Moel Bronymiod) &amp;lt;/ref&amp;gt; Mae dros gilometr o olion, sef ffos gyda chloddiau y ddwy ochr iddi, i&amp;#039;w gweld ar y rhostir, yn cychwyn ym mhen pellaf [[Cwm Ceiliog]], plwyf [[Llanaelhaearn]] ac yn rhedeg bron at y [[Seler Ddu]] ym mhlwyf [[Clynnog Fawr]]. Gan fod siartr Llywelyn ab Iorwerth, circa 1200, yn defnyddio&amp;#039;r enwi mae&amp;#039;n bosibl fod y clawdd yn dyddio cyn yr adeg pan roddwyd tioredd Cwm i Abaty Aberconwy.&amp;lt;ref&amp;gt;Comisiwn Henebion Cymru, ‘’Caernarvonshire’’ Cyf II (Llundain, 1960), tt.45-6&amp;lt;/ref&amp;gt;  Mae astudiaeth ddiweddar o gloddiau fel hyn trwy Brydain yn nodi mai dyma&amp;#039;r unig glawdd ffin yng Ngwynedd, a&amp;#039;i bod hi&amp;#039;n debygol o fod yn dyddio o&amp;#039;r Oesoedd Canol Cynnar.&amp;lt;ref&amp;gt;Erik Grigg, &amp;#039;&amp;#039;Early Medieval Dykes (400 to 850AD)&amp;#039;&amp;#039;, Traethawd PhD Prifysgol Maanceinion, 2015, [https://www.escholar.manchester.ac.uk/api/datastream?publicationPid=uk-ac-man-scw:264469&amp;amp;datastreamId=FULL-TEXT.PDF], cyrchwyd 9.9.2019&amp;lt;/ref&amp;gt; Mae [[Llwybr Arfordir Llŷn]] yn rhedeg heibio i&amp;#039;r safle.&amp;lt;ref&amp;gt;Gwefan Coflein, [https://www.coflein.gov.uk/en/site/301073/details/clawdd-seri-medieval-boundary-clipiau-clynnog], cyrchwyd 9.9.2019&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &amp;#039;&amp;#039;&amp;#039;Clawdd Seri&amp;#039;&amp;#039;&amp;#039; yn ffos a chlawdd sy&amp;#039;n rhedeg ar draws fynydd-dir [[Clipiau]] i&amp;#039;r de o [[Gurn Ddu]] a [[Bwlch Mawr]]. Credir iddo fod yn nodi ffin hen luest neu dir a amaethwyd gan fynaich Aberconwy yn y 13-16g.&amp;lt;ref&amp;gt;David M. Brown a Stephen Hughes, (gol.), The Archaeology of the Welsh Uplands (Aberystwyth, 2003), t.77 (Katherine Geary, Moel Bronymiod) &amp;lt;/ref&amp;gt; Mae dros gilometr o olion, sef ffos gyda chloddiau y ddwy ochr iddi, i&amp;#039;w gweld ar y rhostir, yn cychwyn ym mhen pellaf [[Cwm Ceiliog]], plwyf [[Llanaelhaearn]] ac yn rhedeg bron at y [[Seler Ddu]] ym mhlwyf [[Clynnog Fawr]]. Gan fod siartr Llywelyn ab Iorwerth, circa 1200, yn defnyddio&amp;#039;r enwi mae&amp;#039;n bosibl fod y clawdd yn dyddio cyn yr adeg pan roddwyd tioredd Cwm i Abaty Aberconwy.&amp;lt;ref&amp;gt;Comisiwn Henebion Cymru, ‘’Caernarvonshire’’ Cyf II (Llundain, 1960), tt.45-6&amp;lt;/ref&amp;gt;  Mae astudiaeth ddiweddar o gloddiau fel hyn trwy Brydain yn nodi mai dyma&amp;#039;r unig glawdd ffin yng Ngwynedd, a&amp;#039;i bod hi&amp;#039;n debygol o fod yn dyddio o&amp;#039;r Oesoedd Canol Cynnar.&amp;lt;ref&amp;gt;Erik Grigg, &amp;#039;&amp;#039;Early Medieval Dykes (400 to 850AD)&amp;#039;&amp;#039;, Traethawd PhD Prifysgol Maanceinion, 2015, [https://www.escholar.manchester.ac.uk/api/datastream?publicationPid=uk-ac-man-scw:264469&amp;amp;datastreamId=FULL-TEXT.PDF], cyrchwyd 9.9.2019&amp;lt;/ref&amp;gt; Mae [[Llwybr Arfordir Llŷn]] yn rhedeg heibio i&amp;#039;r safle.&amp;lt;ref&amp;gt;Gwefan Coflein, [https://www.coflein.gov.uk/en/site/301073/details/clawdd-seri-medieval-boundary-clipiau-clynnog], cyrchwyd 9.9.2019&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Mae&#039;r enw, mae&#039;n debyg, yn hawdd i&#039;w esbonio: &#039;&#039;Clawdd&#039;&#039; a &#039;&#039;Seri&#039;&#039; neu Sarn, Palmant.&amp;lt;ref&amp;gt;Geiriadur Prifysgol Cymru&amp;lt;/ref&amp;gt; &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Cyfeiriadau==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Cyfeiriadau==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clawdd_Seri&amp;diff=6888&amp;oldid=prev</id>
		<title>Irion am 15:37, 9 Medi 2019</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clawdd_Seri&amp;diff=6888&amp;oldid=prev"/>
		<updated>2019-09-09T15:37:08Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 16:37, 9 Medi 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &amp;#039;&amp;#039;&amp;#039;Clawdd Seri&amp;#039;&amp;#039;&amp;#039; yn ffos a chlawdd sy&amp;#039;n rhedeg ar draws fynydd-dir [[Clipiau]] i&amp;#039;r de o [[Gurn Ddu]] a [[Bwlch Mawr]]. Credir iddo fod yn nodi ffin hen luest neu dir a amaethwyd gan fynaich Aberconwy yn y 13-16g.&amp;lt;ref&amp;gt;David M. Brown a Stephen Hughes, (gol.), The Archaeology of the Welsh Uplands (Aberystwyth, 2003), t.77 (Katherine Geary, Moel Bronymiod) &amp;lt;/ref&amp;gt; Mae dros gilometr o olion, sef ffos gyda chloddiau y ddwy ochr iddi, i&amp;#039;w gweld ar y rhostir, yn cychwyn ym mhen pellaf [[Cwm Ceiliog]], plwyf [[Llanaelhaearn]] ac yn rhedeg bron at y [[Seler Ddu]] ym mhlwyf [[Clynnog Fawr]]. Gan fod siartr Llywelyn ab Iorwerth, circa 1200, yn defnyddio&amp;#039;r enwi mae&amp;#039;n bosibl fod y clawdd yn dyddio cyn yr adeg pan roddwyd tioredd Cwm i Abaty Aberconwy.&amp;lt;ref&amp;gt;Comisiwn Henebion Cymru, ‘’Caernarvonshire’’ Cyf II (Llundain, 1960), tt.45-6&amp;lt;/ref&amp;gt;  Mae astudiaeth ddiweddar o gloddiau fel hyn trwy Brydain yn nodi mai dyma&amp;#039;r unig glawdd ffin yng Ngwynedd, a&amp;#039;i bod hi&amp;#039;n debygol o fod yn dyddio o&amp;#039;r Oesoedd Canol Cynnar.&amp;lt;ref&amp;gt;Erik Grigg, &amp;#039;&amp;#039;Early Medieval Dykes (400 to 850AD)&amp;#039;&amp;#039;, Traethawd PhD Prifysgol Maanceinion, 2015, [https://www.escholar.manchester.ac.uk/api/datastream?publicationPid=uk-ac-man-scw:264469&amp;amp;datastreamId=FULL-TEXT.PDF], cyrchwyd 9.9.2019&amp;lt;/ref&amp;gt; Mae [[Llwybr Arfordir Llŷn]] yn rhedeg heibio i&amp;#039;r safle.&amp;lt;ref&amp;gt;Gwefan Coflein, [https://www.coflein.gov.uk/en/site/301073/details/clawdd-seri-medieval-boundary-clipiau-clynnog], cyrchwyd 9.9.2019&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &amp;#039;&amp;#039;&amp;#039;Clawdd Seri&amp;#039;&amp;#039;&amp;#039; yn ffos a chlawdd sy&amp;#039;n rhedeg ar draws fynydd-dir [[Clipiau]] i&amp;#039;r de o [[Gurn Ddu]] a [[Bwlch Mawr]]. Credir iddo fod yn nodi ffin hen luest neu dir a amaethwyd gan fynaich Aberconwy yn y 13-16g.&amp;lt;ref&amp;gt;David M. Brown a Stephen Hughes, (gol.), The Archaeology of the Welsh Uplands (Aberystwyth, 2003), t.77 (Katherine Geary, Moel Bronymiod) &amp;lt;/ref&amp;gt; Mae dros gilometr o olion, sef ffos gyda chloddiau y ddwy ochr iddi, i&amp;#039;w gweld ar y rhostir, yn cychwyn ym mhen pellaf [[Cwm Ceiliog]], plwyf [[Llanaelhaearn]] ac yn rhedeg bron at y [[Seler Ddu]] ym mhlwyf [[Clynnog Fawr]]. Gan fod siartr Llywelyn ab Iorwerth, circa 1200, yn defnyddio&amp;#039;r enwi mae&amp;#039;n bosibl fod y clawdd yn dyddio cyn yr adeg pan roddwyd tioredd Cwm i Abaty Aberconwy.&amp;lt;ref&amp;gt;Comisiwn Henebion Cymru, ‘’Caernarvonshire’’ Cyf II (Llundain, 1960), tt.45-6&amp;lt;/ref&amp;gt;  Mae astudiaeth ddiweddar o gloddiau fel hyn trwy Brydain yn nodi mai dyma&amp;#039;r unig glawdd ffin yng Ngwynedd, a&amp;#039;i bod hi&amp;#039;n debygol o fod yn dyddio o&amp;#039;r Oesoedd Canol Cynnar.&amp;lt;ref&amp;gt;Erik Grigg, &amp;#039;&amp;#039;Early Medieval Dykes (400 to 850AD)&amp;#039;&amp;#039;, Traethawd PhD Prifysgol Maanceinion, 2015, [https://www.escholar.manchester.ac.uk/api/datastream?publicationPid=uk-ac-man-scw:264469&amp;amp;datastreamId=FULL-TEXT.PDF], cyrchwyd 9.9.2019&amp;lt;/ref&amp;gt; Mae [[Llwybr Arfordir Llŷn]] yn rhedeg heibio i&amp;#039;r safle.&amp;lt;ref&amp;gt;Gwefan Coflein, [https://www.coflein.gov.uk/en/site/301073/details/clawdd-seri-medieval-boundary-clipiau-clynnog], cyrchwyd 9.9.2019&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{eginyn}}&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Cyfeiriadau==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Cyfeiriadau==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{cyfeiriadau}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{cyfeiriadau}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clawdd_Seri&amp;diff=6886&amp;oldid=prev</id>
		<title>Irion am 15:36, 9 Medi 2019</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clawdd_Seri&amp;diff=6886&amp;oldid=prev"/>
		<updated>2019-09-09T15:36:11Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 16:36, 9 Medi 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Clawdd Seri&#039;&#039;&#039; yn ffos a chlawdd sy&#039;n rhedeg ar draws fynydd-dir [[Clipiau]] i&#039;r de o [[Gurn Ddu]] a [[Bwlch Mawr]]. Credir iddo fod yn nodi ffin hen luest neu dir a amaethwyd gan fynaich Aberconwy yn y 13-16g.&amp;lt;ref&amp;gt;David M. Brown a Stephen Hughes, (gol.), The Archaeology of the Welsh Uplands (Aberystwyth, 2003), t.77 (Katherine Geary, Moel Bronymiod) &amp;lt;/ref&amp;gt; Mae dros gilometr o olion, sef ffos gyda chloddiau y ddwy ochr iddi, i&#039;w &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;geld &lt;/del&gt;ar y rhostir, yn cychwyn ym mhen pellaf [[Cwm Ceiliog]], plwyf [[Llanaelhaearn]] ac yn rhedeg bron at y [[Seler Ddu]] ym mhlwyf [[Clynnog Fawr]]. Gan fod siartr Llywelyn ab Iorwerth, circa 1200, yn &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ei newi, &lt;/del&gt;mae&#039;n bosibl fod y clawdd yn dyddio cyn yr adeg pan roddwyd &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;tiopredd &lt;/del&gt;Cwm i Abaty Aberconwy.&amp;lt;ref&amp;gt;Comisiwn Henebion Cymru, ‘’Caernarvonshire’’ Cyf II (Llundain, 1960), tt.45-6&amp;lt;/ref&amp;gt; Mae [[Llwybr Arfordir Llŷn]] yn rhedeg heibio i&#039;r safle.&amp;lt;ref&amp;gt;Gwefan Coflein, [https://www.coflein.gov.uk/en/site/301073/details/clawdd-seri-medieval-boundary-clipiau-clynnog], cyrchwyd 9.9.2019&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Clawdd Seri&#039;&#039;&#039; yn ffos a chlawdd sy&#039;n rhedeg ar draws fynydd-dir [[Clipiau]] i&#039;r de o [[Gurn Ddu]] a [[Bwlch Mawr]]. Credir iddo fod yn nodi ffin hen luest neu dir a amaethwyd gan fynaich Aberconwy yn y 13-16g.&amp;lt;ref&amp;gt;David M. Brown a Stephen Hughes, (gol.), The Archaeology of the Welsh Uplands (Aberystwyth, 2003), t.77 (Katherine Geary, Moel Bronymiod) &amp;lt;/ref&amp;gt; Mae dros gilometr o olion, sef ffos gyda chloddiau y ddwy ochr iddi, i&#039;w &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;gweld &lt;/ins&gt;ar y rhostir, yn cychwyn ym mhen pellaf [[Cwm Ceiliog]], plwyf [[Llanaelhaearn]] ac yn rhedeg bron at y [[Seler Ddu]] ym mhlwyf [[Clynnog Fawr]]. Gan fod siartr Llywelyn ab Iorwerth, circa 1200, yn &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;defnyddio&#039;r enwi &lt;/ins&gt;mae&#039;n bosibl fod y clawdd yn dyddio cyn yr adeg pan roddwyd &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;tioredd &lt;/ins&gt;Cwm i Abaty Aberconwy.&amp;lt;ref&amp;gt;Comisiwn Henebion Cymru, ‘’Caernarvonshire’’ Cyf II (Llundain, 1960), tt.45-6&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/ref&amp;gt;  Mae astudiaeth ddiweddar o gloddiau fel hyn trwy Brydain yn nodi mai dyma&#039;r unig glawdd ffin yng Ngwynedd, a&#039;i bod hi&#039;n debygol o fod yn dyddio o&#039;r Oesoedd Canol Cynnar.&amp;lt;ref&amp;gt;Erik Grigg, &#039;&#039;Early Medieval Dykes (400 to 850AD)&#039;&#039;, Traethawd PhD Prifysgol Maanceinion, 2015, [https://www.escholar.manchester.ac.uk/api/datastream?publicationPid=uk-ac-man-scw:264469&amp;amp;datastreamId=FULL-TEXT.PDF], cyrchwyd 9.9.2019&lt;/ins&gt;&amp;lt;/ref&amp;gt; Mae [[Llwybr Arfordir Llŷn]] yn rhedeg heibio i&#039;r safle.&amp;lt;ref&amp;gt;Gwefan Coflein, [https://www.coflein.gov.uk/en/site/301073/details/clawdd-seri-medieval-boundary-clipiau-clynnog], cyrchwyd 9.9.2019&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clawdd_Seri&amp;diff=6884&amp;oldid=prev</id>
		<title>Irion am 14:40, 9 Medi 2019</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clawdd_Seri&amp;diff=6884&amp;oldid=prev"/>
		<updated>2019-09-09T14:40:59Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 15:40, 9 Medi 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Clawdd Seri&#039;&#039;&#039; yn ffos a chlawdd sy&#039;n rhedeg ar draws fynydd-dir [[Clipiau]] i&#039;r de o [[Gurn Ddu]] a [[Bwlch Mawr]]. Credir iddo fod yn nodi ffin hen luest neu dir a amaethwyd gan fynaich Aberconwy yn y 13-16g.&amp;lt;ref&amp;gt;David M. Brown a Stephen Hughes, (gol.), The Archaeology of the Welsh Uplands (Aberystwyth, 2003), t.77 (Katherine Geary, Moel Bronymiod) &amp;lt;/ref&amp;gt; Mae dros gilometr o olion, sef ffos gyda chloddiau y ddwy ochr iddi, i&#039;w geld ar y rhostir. Mae [[Llwybr Arfordir Llŷn]] yn rhedeg heibio i&#039;r safle.&amp;lt;ref&amp;gt;Gwefan Coflein, [https://www.coflein.gov.uk/en/site/301073/details/clawdd-seri-medieval-boundary-clipiau-clynnog], cyrchwyd 9.9.2019&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Clawdd Seri&#039;&#039;&#039; yn ffos a chlawdd sy&#039;n rhedeg ar draws fynydd-dir [[Clipiau]] i&#039;r de o [[Gurn Ddu]] a [[Bwlch Mawr]]. Credir iddo fod yn nodi ffin hen luest neu dir a amaethwyd gan fynaich Aberconwy yn y 13-16g.&amp;lt;ref&amp;gt;David M. Brown a Stephen Hughes, (gol.), The Archaeology of the Welsh Uplands (Aberystwyth, 2003), t.77 (Katherine Geary, Moel Bronymiod) &amp;lt;/ref&amp;gt; Mae dros gilometr o olion, sef ffos gyda chloddiau y ddwy ochr iddi, i&#039;w geld ar y rhostir&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, yn cychwyn ym mhen pellaf [[Cwm Ceiliog]], plwyf [[Llanaelhaearn]] ac yn rhedeg bron at y [[Seler Ddu]] ym mhlwyf [[Clynnog Fawr]]&lt;/ins&gt;. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Gan fod siartr Llywelyn ab Iorwerth, circa 1200, yn ei newi, mae&#039;n bosibl fod y clawdd yn dyddio cyn yr adeg pan roddwyd tiopredd Cwm i Abaty Aberconwy.&amp;lt;ref&amp;gt;Comisiwn Henebion Cymru, ‘’Caernarvonshire’’ Cyf II (Llundain, 1960), tt.45-6&amp;lt;/ref&amp;gt; &lt;/ins&gt;Mae [[Llwybr Arfordir Llŷn]] yn rhedeg heibio i&#039;r safle.&amp;lt;ref&amp;gt;Gwefan Coflein, [https://www.coflein.gov.uk/en/site/301073/details/clawdd-seri-medieval-boundary-clipiau-clynnog], cyrchwyd 9.9.2019&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clawdd_Seri&amp;diff=6883&amp;oldid=prev</id>
		<title>Irion am 14:34, 9 Medi 2019</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clawdd_Seri&amp;diff=6883&amp;oldid=prev"/>
		<updated>2019-09-09T14:34:37Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 15:34, 9 Medi 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l4&quot;&gt;Llinell 4:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 4:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Cyfeiriadau==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Cyfeiriadau==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{cyfeiriadau}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{cyfeiriadau}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Ffiniau&lt;/del&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Daearyddiaeth ddynol&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:Henebion]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:Henebion]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:Safleoedd nodedig]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:Safleoedd nodedig]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clawdd_Seri&amp;diff=6882&amp;oldid=prev</id>
		<title>Irion am 14:34, 9 Medi 2019</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clawdd_Seri&amp;diff=6882&amp;oldid=prev"/>
		<updated>2019-09-09T14:34:21Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 15:34, 9 Medi 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Clawdd Seri&#039;&#039;&#039; yn ffos a chlawdd sy&#039;n rhedeg ar draws fynydd-dir [[Clipiau]] i&#039;r de o [[Gurn Ddu]] a [[Bwlch Mawr]]. Credir iddo fod yn nodi ffin hen luest neu dir a amaethwyd gan fynaich Aberconwy yn y 13-16g.&amp;lt;ref&amp;gt;David M. Brown a Stephen Hughes, (gol.), The Archaeology of the Welsh Uplands (Aberystwyth, 2003), t.77 (Katherine Geary, Moel Bronymiod) &amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Clawdd Seri&#039;&#039;&#039; yn ffos a chlawdd sy&#039;n rhedeg ar draws fynydd-dir [[Clipiau]] i&#039;r de o [[Gurn Ddu]] a [[Bwlch Mawr]]. Credir iddo fod yn nodi ffin hen luest neu dir a amaethwyd gan fynaich Aberconwy yn y 13-16g.&amp;lt;ref&amp;gt;David M. Brown a Stephen Hughes, (gol.), The Archaeology of the Welsh Uplands (Aberystwyth, 2003), t.77 (Katherine Geary, Moel Bronymiod) &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/ref&amp;gt; Mae dros gilometr o olion, sef ffos gyda chloddiau y ddwy ochr iddi, i&#039;w geld ar y rhostir. Mae [[Llwybr Arfordir Llŷn]] yn rhedeg heibio i&#039;r safle.&amp;lt;ref&amp;gt;Gwefan Coflein, [https://www.coflein.gov.uk/en/site/301073/details/clawdd-seri-medieval-boundary-clipiau-clynnog], cyrchwyd 9.9.2019&lt;/ins&gt;&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clawdd_Seri&amp;diff=6881&amp;oldid=prev</id>
		<title>Irion am 14:31, 9 Medi 2019</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clawdd_Seri&amp;diff=6881&amp;oldid=prev"/>
		<updated>2019-09-09T14:31:29Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 15:31, 9 Medi 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Clawdd Seri&#039;&#039;&#039; yn ffos a chlawdd sy&#039;n rhedeg ar draws fynydd-dir [[Clipiau]] i&#039;r de o [[Gurn Ddu]] a [[Bwlch Mawr]]. Credir iddo fod yn nodi ffin hen luest neu dir a amaethwyd gan fynaich Aberconwy yn y 13-16g.&amp;lt;ref&amp;gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Ysgrifennwch droednodyn fan hyn&lt;/del&gt;&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Clawdd Seri&#039;&#039;&#039; yn ffos a chlawdd sy&#039;n rhedeg ar draws fynydd-dir [[Clipiau]] i&#039;r de o [[Gurn Ddu]] a [[Bwlch Mawr]]. Credir iddo fod yn nodi ffin hen luest neu dir a amaethwyd gan fynaich Aberconwy yn y 13-16g.&amp;lt;ref&amp;gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;David M. Brown a Stephen Hughes, (gol.), The Archaeology of the Welsh Uplands (Aberystwyth, 2003), t.77 (Katherine Geary, Moel Bronymiod) &lt;/ins&gt;&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clawdd_Seri&amp;diff=6880&amp;oldid=prev</id>
		<title>Irion am 14:30, 9 Medi 2019</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clawdd_Seri&amp;diff=6880&amp;oldid=prev"/>
		<updated>2019-09-09T14:30:49Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 15:30, 9 Medi 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Clawdd Seri&#039;&#039;&#039; yn ffos a chlawdd sy&#039;n rhedeg ar draws fynydd-dir [[Clipiau]] i&#039;r de o [[Gurn Ddu]] a [[Bwlch Mawr]]. Credir &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;idddo &lt;/del&gt;fod yn nodi ffin hen luest neu dir a amaethwyd gan fynaich Aberconwy yn y 13-16g.&amp;lt;ref&amp;gt;Ysgrifennwch droednodyn fan hyn&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &#039;&#039;&#039;Clawdd Seri&#039;&#039;&#039; yn ffos a chlawdd sy&#039;n rhedeg ar draws fynydd-dir [[Clipiau]] i&#039;r de o [[Gurn Ddu]] a [[Bwlch Mawr]]. Credir &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;iddo &lt;/ins&gt;fod yn nodi ffin hen luest neu dir a amaethwyd gan fynaich Aberconwy yn y 13-16g.&amp;lt;ref&amp;gt;Ysgrifennwch droednodyn fan hyn&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{eginyn}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l6&quot;&gt;Llinell 6:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 6:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:Ffiniau]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:Ffiniau]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:Henebion]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:Henebion]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:Safleoedd &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;neilltuol&lt;/del&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Categori:Safleoedd &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;nodedig&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clawdd_Seri&amp;diff=6879&amp;oldid=prev</id>
		<title>Irion am 14:30, 9 Medi 2019</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Clawdd_Seri&amp;diff=6879&amp;oldid=prev"/>
		<updated>2019-09-09T14:30:19Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 15:30, 9 Medi 2019&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Llinell 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Llinell 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &amp;#039;&amp;#039;&amp;#039;Clawdd Seri&amp;#039;&amp;#039;&amp;#039; yn ffos a chlawdd sy&amp;#039;n rhedeg ar draws fynydd-dir [[Clipiau]] i&amp;#039;r de o [[Gurn Ddu]] a [[Bwlch Mawr]]. Credir idddo fod yn nodi ffin hen luest neu dir a amaethwyd gan fynaich Aberconwy yn y 13-16g.&amp;lt;ref&amp;gt;Ysgrifennwch droednodyn fan hyn&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Mae &amp;#039;&amp;#039;&amp;#039;Clawdd Seri&amp;#039;&amp;#039;&amp;#039; yn ffos a chlawdd sy&amp;#039;n rhedeg ar draws fynydd-dir [[Clipiau]] i&amp;#039;r de o [[Gurn Ddu]] a [[Bwlch Mawr]]. Credir idddo fod yn nodi ffin hen luest neu dir a amaethwyd gan fynaich Aberconwy yn y 13-16g.&amp;lt;ref&amp;gt;Ysgrifennwch droednodyn fan hyn&amp;lt;/ref&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{eginyn}}&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;==Cyfeiriadau==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{cyfeiriadau}}&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Categori:Ffiniau]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Categori:Henebion]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[[Categori:Safleoedd neilltuol]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
</feed>