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	<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?action=history&amp;feed=atom&amp;title=Sl%C5%B5p_yr_%27%27Arvon_Lass%27%27</id>
	<title>Slŵp yr &#039;&#039;Arvon Lass&#039;&#039; - Hanes golygu</title>
	<link rel="self" type="application/atom+xml" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?action=history&amp;feed=atom&amp;title=Sl%C5%B5p_yr_%27%27Arvon_Lass%27%27"/>
	<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Sl%C5%B5p_yr_%27%27Arvon_Lass%27%27&amp;action=history"/>
	<updated>2026-06-22T02:49:58Z</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=Sl%C5%B5p_yr_%27%27Arvon_Lass%27%27&amp;diff=12651&amp;oldid=prev</id>
		<title>Cyfaill Eben am 15:35, 16 Ionawr 2022</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Sl%C5%B5p_yr_%27%27Arvon_Lass%27%27&amp;diff=12651&amp;oldid=prev"/>
		<updated>2022-01-16T15:35:43Z</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;
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				&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 16:35, 16 Ionawr 2022&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;Yr &#039;&#039;&#039;Arvon Lass&#039;&#039;&#039; oedd y &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;cyntaf &lt;/del&gt;o dair llong y gwyddys amdanynt a &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;godwyd &lt;/del&gt;yn [[Trefor|Nhrefor]]. Fe&#039;i hadeiladwyd ym 1854, yn llong &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;fach &lt;/del&gt;yn ei chyfnod, yn ddim ond 20 tunnell o ran tunelledd. Ei hadeiladydd oedd Evan Thomas.  &amp;lt;ref&amp;gt;David Thomas, &#039;&#039;Hen Longau Sir Gaernarfon&#039;&#039;, (Caernarfon, 1952), t.206&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;Yr &#039;&#039;&#039;Arvon Lass&#039;&#039;&#039; oedd y &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;gyntaf &lt;/ins&gt;o dair llong y gwyddys amdanynt a &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;adeiladwyd &lt;/ins&gt;yn [[Trefor|Nhrefor]]. Fe&#039;i hadeiladwyd ym 1854, yn llong &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;fechan &lt;/ins&gt;yn ei chyfnod, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ac &lt;/ins&gt;yn ddim ond 20 tunnell o ran tunelledd. Ei hadeiladydd oedd Evan Thomas.  &amp;lt;ref&amp;gt;David Thomas, &#039;&#039;Hen Longau Sir Gaernarfon&#039;&#039;, (Caernarfon, 1952), t.206&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;==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>Cyfaill Eben</name></author>
	</entry>
	<entry>
		<id>https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Sl%C5%B5p_yr_%27%27Arvon_Lass%27%27&amp;diff=7857&amp;oldid=prev</id>
		<title>Irion am 09:40, 17 Chwefror 2020</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Sl%C5%B5p_yr_%27%27Arvon_Lass%27%27&amp;diff=7857&amp;oldid=prev"/>
		<updated>2020-02-17T09:40:28Z</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 10:40, 17 Chwefror 2020&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;Yr &#039;&#039;&#039;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Arfon &lt;/del&gt;Lass&#039;&#039;&#039; oedd y cyntaf o dair llong y gwyddys amdanynt a godwyd yn [[Trefor|Nhrefor]]. Fe&#039;i hadeiladwyd ym 1854, yn llong fach yn ei chyfnod, yn ddim ond 20 tunnell o ran tunelledd. Ei hadeiladydd oedd Evan Thomas.  &amp;lt;ref&amp;gt;David Thomas, &#039;&#039;Hen Longau Sir Gaernarfon&#039;&#039;, (Caernarfon, 1952), t.206&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;Yr &#039;&#039;&#039;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Arvon &lt;/ins&gt;Lass&#039;&#039;&#039; oedd y cyntaf o dair llong y gwyddys amdanynt a godwyd yn [[Trefor|Nhrefor]]. Fe&#039;i hadeiladwyd ym 1854, yn llong fach yn ei chyfnod, yn ddim ond 20 tunnell o ran tunelledd. Ei hadeiladydd oedd Evan Thomas.  &amp;lt;ref&amp;gt;David Thomas, &#039;&#039;Hen Longau Sir Gaernarfon&#039;&#039;, (Caernarfon, 1952), t.206&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;==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=Sl%C5%B5p_yr_%27%27Arvon_Lass%27%27&amp;diff=7856&amp;oldid=prev</id>
		<title>Irion: Symudodd Heulfryn y dudalen Slŵp yr &#039;&#039;Arfon Lass&#039;&#039; i Slŵp yr &#039;&#039;Arvon Lass&#039;&#039; heb adael dolen ailgyfeirio</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Sl%C5%B5p_yr_%27%27Arvon_Lass%27%27&amp;diff=7856&amp;oldid=prev"/>
		<updated>2020-02-17T09:40:16Z</updated>

		<summary type="html">&lt;p&gt;Symudodd Heulfryn y dudalen &lt;a href=&quot;/index.php?title=Sl%C5%B5p_yr_%27%27Arfon_Lass%27%27&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Slŵp yr &amp;#039;&amp;#039;Arfon Lass&amp;#039;&amp;#039; (nid yw&amp;#039;r dudalen yn bodoli)&quot;&gt;Slŵp yr &amp;#039;&amp;#039;Arfon Lass&amp;#039;&amp;#039;&lt;/a&gt; i &lt;a href=&quot;/wici/Sl%C5%B5p_yr_%27%27Arvon_Lass%27%27&quot; title=&quot;Slŵp yr &amp;#039;&amp;#039;Arvon Lass&amp;#039;&amp;#039;&quot;&gt;Slŵp yr &amp;#039;&amp;#039;Arvon Lass&amp;#039;&amp;#039;&lt;/a&gt; heb adael dolen ailgyfeirio&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;cy&quot;&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Fersiwn hŷn&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Fersiwn yn ôl 10:40, 17 Chwefror 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;cy&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(Dim gwahaniaeth)&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=Sl%C5%B5p_yr_%27%27Arvon_Lass%27%27&amp;diff=7840&amp;oldid=prev</id>
		<title>Irion: Crëwyd tudalen newydd yn dechrau gyda &#039;Yr &#039;&#039;&#039;Arfon Lass&#039;&#039;&#039; oedd y cyntaf o dair llong y gwyddys amdanynt a godwyd yn Nhrefor. Fe&#039;i hadeiladwyd ym 1854, yn llong fach yn ei chyfnod, y...&#039;</title>
		<link rel="alternate" type="text/html" href="https://cof.canolfanuwchgwyrfai.cymru/index.php?title=Sl%C5%B5p_yr_%27%27Arvon_Lass%27%27&amp;diff=7840&amp;oldid=prev"/>
		<updated>2020-02-17T09:14:50Z</updated>

		<summary type="html">&lt;p&gt;Crëwyd tudalen newydd yn dechrau gyda &amp;#039;Yr &amp;#039;&amp;#039;&amp;#039;Arfon Lass&amp;#039;&amp;#039;&amp;#039; oedd y cyntaf o dair llong y gwyddys amdanynt a godwyd yn &lt;a href=&quot;/wici/Trefor&quot; title=&quot;Trefor&quot;&gt;Nhrefor&lt;/a&gt;. Fe&amp;#039;i hadeiladwyd ym 1854, yn llong fach yn ei chyfnod, y...&amp;#039;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Tudalen newydd&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Yr &amp;#039;&amp;#039;&amp;#039;Arfon Lass&amp;#039;&amp;#039;&amp;#039; oedd y cyntaf o dair llong y gwyddys amdanynt a godwyd yn [[Trefor|Nhrefor]]. Fe&amp;#039;i hadeiladwyd ym 1854, yn llong fach yn ei chyfnod, yn ddim ond 20 tunnell o ran tunelledd. Ei hadeiladydd oedd Evan Thomas.  &amp;lt;ref&amp;gt;David Thomas, &amp;#039;&amp;#039;Hen Longau Sir Gaernarfon&amp;#039;&amp;#039;, (Caernarfon, 1952), t.206&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Cyfeiriadau==&lt;br /&gt;
{{cyfeiriadau}}&lt;br /&gt;
&lt;br /&gt;
[[Categori:Llongau]]&lt;/div&gt;</summary>
		<author><name>Irion</name></author>
	</entry>
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