{"id":50326,"date":"2026-03-02T14:59:32","date_gmt":"2026-03-02T14:59:32","guid":{"rendered":"https:\/\/cymru.global\/uncategorized-cy\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\/"},"modified":"2026-03-02T14:59:35","modified_gmt":"2026-03-02T14:59:35","slug":"diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch","status":"publish","type":"post","link":"https:\/\/cymru.global\/cy\/hawliau-dynol-cy\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\/","title":{"rendered":"Diwrnod Cofio&#8217;r Holocost 2025 &#8211; Seremoni Genedlaethol Cymru yn y Deml Heddwch"},"content":{"rendered":"<div class=\"container\">\n<div class=\"tb-button\" data-toolset-blocks-button=\"287b86648c4252acefa863798e10cac5\"><a class=\"tb-button__link\" href=\"https:\/\/www.cardiffnewsroom.co.uk\/releases\/c25\/34902.html\"><i class=\"tb-button__icon\"><\/i><span class=\"tb-button__content\">Wedi&#8217;i rannu gan D\u00eem Newyddion Dinas Caerdydd<\/span><\/a><\/div>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">Y bore yma yng Nghaerdydd, daeth arweinwyr crefyddol a gwleidyddol ynghyd i ddathlu <a href=\"https:\/\/hmd.org.uk\/what-is-holocaust-memorial-day\/this-years-theme\/\">Diwrnod Cofio&#8217;r Holocost<\/a> . Mae&#8217;r coff\u00e1u hwn o Gymru yn anrhydeddu&#8217;r miliynau a fu farw yn yr Holocost a hil-laddiadau dilynol ledled y byd.   <\/p>\n<\/div><div class=\"container\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/collateral.prmax.co.uk\/collateral\/217604.jpg\" alt=\"Person yn sefyll ar bodiwmDisgrifiad wedi'i gynhyrchu'n awtomatig\"\/><\/figure>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\"><strong>Yr Arglwydd Faer, y Gwir Anrhydeddus Cynghorydd Helen Lloyd Jones<\/strong><\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">Thema Diwrnod Cofio&#8217;r Holocost eleni yw &#8216;Dros Ddyfodol Gwell&#8217; ac mae&#8217;n cyd-daro ag 80fed pen-blwydd rhyddhau Auschwitz-Birkenau, a 30fed pen-blwydd yr hil-laddiad ym Mosnia.<\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">Yn ystod Seremoni Diwrnod Cofio\u2019r Holocost Cenedlaethol Cymru a gynhaliwyd yn y Deml Heddwch yng Nghaerdydd y bore yma, ymunodd y Cynghorydd Huw Thomas, Arweinydd Cyngor Caerdydd, Arglwydd Faer Caerdydd, y Cynghorydd Helen Lloyd Jones, ac Eluned Morgan, Prif Weinidog Cymru, \u00e2\u2019r Parchedig Ganon Stewart Lisk, Caplan Anrhydeddus Cyngor Caerdydd, i anrhydeddu dioddefwyr a goroeswyr pob hil-laddiad.<\/p>\n<\/div><div class=\"container\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/collateral.prmax.co.uk\/collateral\/217605.jpg\" alt=\"Person yn sefyll ar bodiwmDisgrifiad wedi'i gynhyrchu'n awtomatig\"\/><\/figure>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\"><strong>Arweinydd Cyngor Caerdydd, y Cynghorydd Huw Thomas<\/strong><\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">Wrth fyfyrio ar y coff\u00e1u, dywedodd Huw Thomas, Arweinydd Cyngor Caerdydd: &#8220;Heddiw, fe wnaethon ni ymgynnull yn Nheml Heddwch mewn undod ac mewn undod, gan ailddatgan ein hymrwymiad i wrthsefyll gwahaniaethu a chasineb ym mhob ffurf. Wrth nodi 80 mlynedd ers rhyddhau Auschwitz-Birkenau a 30 mlynedd ers yr hil-laddiad ym Mosnia, rydym yn sicrhau bod lleisiau&#8217;r goroeswyr yn parhau i gael eu clywed a bod y gwersi i&#8217;w dysgu o&#8217;u profiadau byth yn cael eu colli na&#8217;u hanghofio.&#8221;<\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">Mewn datganiad o ymrwymiad, dywedodd yr Arglwydd Faer, y Gwir Anrhydeddus Cynghorydd Helen Lloyd Jones: &#8220;Credwn fod yn rhaid i&#8217;r Holocost gael lle parhaol yng nghof cyfunol ein cenedl. Rhaid inni sicrhau bod cenedlaethau&#8217;r dyfodol yn deall achosion yr Holocost ac yn myfyrio ar ei ganlyniadau. Rydym yn addo cofio dioddefwyr erledigaeth y Nats\u00efaid a phob hil-laddiad.&#8221;<\/p>\n<\/div><div class=\"container\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/collateral.prmax.co.uk\/collateral\/217606.jpg\" alt=\"Person yn sefyll ar bodiwmDisgrifiad wedi'i gynhyrchu'n awtomatig\"\/><\/figure>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\"><strong>Eluned Morgan, Prif Weinidog Cymru<\/strong><\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">Dywedodd y Prif Weinidog Eluned Morgan: &#8220;Ar Ddiwrnod Cofio&#8217;r Holocost, mae&#8217;n bwysig ein bod yn dangos ein hymrwymiad diysgog i&#8217;r rhai a fu farw a bod yn rhaid i ni sicrhau nad yw&#8217;r gweithredoedd erchyll hyn byth yn digwydd eto.<\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">&#8220;Roedd yn anrhydedd darllen o ddyddiadur Anne Frank, y mae ei hetifeddiaeth yn parhau i ledaenu neges o oddefgarwch i bobl o bob oed, yng Nghymru ac o gwmpas y byd.&#8221;<\/p>\n<\/div><div class=\"container\">\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/collateral.prmax.co.uk\/collateral\/217607.jpg\" alt=\"Hen berson yn sefyll ar bodiwmDisgrifiad wedi'i gynhyrchu'n awtomatig\"\/><\/figure>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\"><strong>Eva Clarke, Goroeswr yr Holocost Eva Clarke, ganwyd yng ngwersyll crynhoi Mauthausen<\/strong><\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">Ymhlith y rhai eraill a fynychodd y gwasanaeth coffa roedd Eva Clarke, a oroesodd yr Holocost, a aned yng ngwersyll crynhoi Mauthausen ac y bu farw ei 15 o berthnasau yn Auschwitz-Birkenau, Safet Vukali\u0107, Mwslim Bosniaidd o Prijedor a oroesodd hil-laddiad a glanhau ethnig, Abi Carter, Cyd-gadeirydd Elusen Cofio Srebrenica, Isaac Blake, aelod o&#8217;r Cwmni Diwylliannol a Chelfyddydau Romani, ynghyd \u00e2 chynrychiolwyr o Gyngor Cynrychiolwyr Iddewig De Cymru, Pride Cymru, Cyngor Ffoaduriaid Cymru a Chwaraeon Anabledd Cymru.<\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">Mae Diwrnod Cofio&#8217;r Holocost yn cael ei goff\u00e1u bob blwyddyn ar Ionawr 27, y diwrnod y rhyddhawyd Gwersyll Crynhoi Auschwitz ym 1945. Fel rhan o nodi&#8217;r achlysur, bydd Castell Caerdydd, Castell Coch, y Senedd, ac adeilad Llywodraeth Cymru ym Mharc Cathays yn goleuo mewn porffor heno. <\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">Gwahoddir aelodau&#8217;r cyhoedd i oleuo cannwyll a&#8217;i gosod yn ddiogel yn eu ffenestr am 8pm heno i gymryd rhan yn Goleuo&#8217;r Tywyllwch, moment genedlaethol ar gyfer Diwrnod Cofio&#8217;r Holocost.  <\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">Bydd recordiad o Seremoni Diwrnod Cofio\u2019r Holocost Cenedlaethol Cymru 2025 ar gael ar <a href=\"https:\/\/www.youtube.com\/cardiffcouncil\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>sianel YouTube Cyngor Caerdydd<\/strong><\/a> dros yr wythnosau nesaf.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Y bore yma yng Nghaerdydd, daeth arweinwyr crefyddol a gwleidyddol ynghyd i ddathlu Diwrnod Cofio&#8217;r Holocost . Mae&#8217;r coff\u00e1u hwn o Gymru yn anrhydeddu&#8217;r miliynau a fu farw yn yr Holocost a hil-laddiadau dilynol ledled y byd. Yr Arglwydd Faer, y Gwir Anrhydeddus Cynghorydd Helen Lloyd Jones Thema Diwrnod Cofio&#8217;r [&#8230;]<\/p>\n","protected":false},"author":7,"featured_media":42586,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"iawp_total_views":9,"footnotes":""},"categories":[614,1239,1240,1252,1280,616,1241],"tags":[],"class_list":["post-50326","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hawliau-dynol-cy","category-humanitarian-cy","category-immigration-refugees-and-asylum-cy","category-international-exchange-cy","category-peace-heritage-cy","category-rhyfel-a-gwrthdaro-cy","category-wcia-history-cy"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Diwrnod Cofio&#039;r Holocost 2025 - Seremoni Genedlaethol Cymru yn y Deml Heddwch - Cymru Global<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"cy_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Diwrnod Cofio&#039;r Holocost 2025 - Seremoni Genedlaethol Cymru yn y Deml Heddwch - Cymru Global\" \/>\n<meta property=\"og:description\" content=\"Y bore yma yng Nghaerdydd, daeth arweinwyr crefyddol a gwleidyddol ynghyd i ddathlu Diwrnod Cofio&#8217;r Holocost . Mae&#8217;r coff\u00e1u hwn o Gymru yn anrhydeddu&#8217;r miliynau a fu farw yn yr Holocost a hil-laddiadau dilynol ledled y byd. Yr Arglwydd Faer, y Gwir Anrhydeddus Cynghorydd Helen Lloyd Jones Thema Diwrnod Cofio&#8217;r [...]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cymru.global\/cy\/hawliau-dynol-cy\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\/\" \/>\n<meta property=\"og:site_name\" content=\"Cymru Global\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/welshcentreforinternationalaffairs\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-02T14:59:32+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-02T14:59:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cymru.global\/wp-content\/uploads\/2025\/01\/Screenshot-2025-01-27-at-17.25.33-1024x683.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"683\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Craig Owen\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@WCIA_Wales\" \/>\n<meta name=\"twitter:site\" content=\"@WCIA_Wales\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Craig Owen\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/cymru.global\\\/cy\\\/hawliau-dynol-cy\\\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/cymru.global\\\/cy\\\/hawliau-dynol-cy\\\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\\\/\"},\"author\":{\"name\":\"Craig Owen\",\"@id\":\"https:\\\/\\\/cymru.global\\\/cy\\\/#\\\/schema\\\/person\\\/b4a3bb351a6e3c07121e207a47e2b1ab\"},\"headline\":\"Diwrnod Cofio&#8217;r Holocost 2025 &#8211; Seremoni Genedlaethol Cymru yn y Deml Heddwch\",\"datePublished\":\"2026-03-02T14:59:32+00:00\",\"dateModified\":\"2026-03-02T14:59:35+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/cymru.global\\\/cy\\\/hawliau-dynol-cy\\\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\\\/\"},\"wordCount\":572,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/cymru.global\\\/cy\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/cymru.global\\\/cy\\\/hawliau-dynol-cy\\\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/cymru.global\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/Screenshot-2025-01-27-at-17.25.33.png\",\"articleSection\":[\"Hawliau Dynol\",\"Humanitarian\",\"Immigration, Refugees and Asylum\",\"International Exchange\",\"Peace Heritage\",\"Rhyfel a Gwrthdaro\",\"WCIA history\"],\"inLanguage\":\"cy-GB\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/cymru.global\\\/cy\\\/hawliau-dynol-cy\\\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/cymru.global\\\/cy\\\/hawliau-dynol-cy\\\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\\\/\",\"url\":\"https:\\\/\\\/cymru.global\\\/cy\\\/hawliau-dynol-cy\\\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\\\/\",\"name\":\"Diwrnod Cofio'r Holocost 2025 - Seremoni Genedlaethol Cymru yn y Deml Heddwch - Cymru Global\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/cymru.global\\\/cy\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/cymru.global\\\/cy\\\/hawliau-dynol-cy\\\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/cymru.global\\\/cy\\\/hawliau-dynol-cy\\\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/cymru.global\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/Screenshot-2025-01-27-at-17.25.33.png\",\"datePublished\":\"2026-03-02T14:59:32+00:00\",\"dateModified\":\"2026-03-02T14:59:35+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/cymru.global\\\/cy\\\/hawliau-dynol-cy\\\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\\\/#breadcrumb\"},\"inLanguage\":\"cy-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/cymru.global\\\/cy\\\/hawliau-dynol-cy\\\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"cy-GB\",\"@id\":\"https:\\\/\\\/cymru.global\\\/cy\\\/hawliau-dynol-cy\\\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\\\/#primaryimage\",\"url\":\"https:\\\/\\\/cymru.global\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/Screenshot-2025-01-27-at-17.25.33.png\",\"contentUrl\":\"https:\\\/\\\/cymru.global\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/Screenshot-2025-01-27-at-17.25.33.png\",\"width\":1878,\"height\":1252,\"caption\":\"Ar Ddiwrnod Cofio'r Holocost 27 Ionawr 2025, mae Prif Weinidog Cymru, Eluned Morgan, yn annerch cynulleidfa Teml Heddwch\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/cymru.global\\\/cy\\\/hawliau-dynol-cy\\\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Cartref\",\"item\":\"https:\\\/\\\/cymru.global\\\/cy\\\/cymru-global\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Diwrnod Cofio&#8217;r Holocost 2025 &#8211; Seremoni Genedlaethol Cymru yn y Deml Heddwch\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/cymru.global\\\/cy\\\/#website\",\"url\":\"https:\\\/\\\/cymru.global\\\/cy\\\/\",\"name\":\"Cymru Global\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/cymru.global\\\/cy\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/cymru.global\\\/cy\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"cy-GB\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/cymru.global\\\/cy\\\/#organization\",\"name\":\"Cymru Global\",\"url\":\"https:\\\/\\\/cymru.global\\\/cy\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"cy-GB\",\"@id\":\"https:\\\/\\\/cymru.global\\\/cy\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/cymru.global\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/loog-white.svg\",\"contentUrl\":\"https:\\\/\\\/cymru.global\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/loog-white.svg\",\"width\":179,\"height\":59,\"caption\":\"Cymru Global\"},\"image\":{\"@id\":\"https:\\\/\\\/cymru.global\\\/cy\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/welshcentreforinternationalaffairs\\\/\",\"https:\\\/\\\/x.com\\\/WCIA_Wales\",\"https:\\\/\\\/www.instagram.com\\\/wcia_wales\\\/?hl=en-gb\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UC0G2l7QV_yPDU4RHB8hEEPg\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/cymru.global\\\/cy\\\/#\\\/schema\\\/person\\\/b4a3bb351a6e3c07121e207a47e2b1ab\",\"name\":\"Craig Owen\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"cy-GB\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/ddf69d48b620ba56dc5e9645bb2b3b54243829f3e133aaad1d2f65e0ae3d7d0c?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/ddf69d48b620ba56dc5e9645bb2b3b54243829f3e133aaad1d2f65e0ae3d7d0c?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/ddf69d48b620ba56dc5e9645bb2b3b54243829f3e133aaad1d2f65e0ae3d7d0c?s=96&d=mm&r=g\",\"caption\":\"Craig Owen\"},\"url\":\"https:\\\/\\\/cymru.global\\\/cy\\\/author\\\/craig-owen\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Diwrnod Cofio'r Holocost 2025 - Seremoni Genedlaethol Cymru yn y Deml Heddwch - Cymru Global","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"og_locale":"cy_GB","og_type":"article","og_title":"Diwrnod Cofio'r Holocost 2025 - Seremoni Genedlaethol Cymru yn y Deml Heddwch - Cymru Global","og_description":"Y bore yma yng Nghaerdydd, daeth arweinwyr crefyddol a gwleidyddol ynghyd i ddathlu Diwrnod Cofio&#8217;r Holocost . Mae&#8217;r coff\u00e1u hwn o Gymru yn anrhydeddu&#8217;r miliynau a fu farw yn yr Holocost a hil-laddiadau dilynol ledled y byd. Yr Arglwydd Faer, y Gwir Anrhydeddus Cynghorydd Helen Lloyd Jones Thema Diwrnod Cofio&#8217;r [...]","og_url":"https:\/\/cymru.global\/cy\/hawliau-dynol-cy\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\/","og_site_name":"Cymru Global","article_publisher":"https:\/\/www.facebook.com\/welshcentreforinternationalaffairs\/","article_published_time":"2026-03-02T14:59:32+00:00","article_modified_time":"2026-03-02T14:59:35+00:00","og_image":[{"width":1024,"height":683,"url":"https:\/\/cymru.global\/wp-content\/uploads\/2025\/01\/Screenshot-2025-01-27-at-17.25.33-1024x683.png","type":"image\/png"}],"author":"Craig Owen","twitter_card":"summary_large_image","twitter_creator":"@WCIA_Wales","twitter_site":"@WCIA_Wales","twitter_misc":{"Written by":"Craig Owen","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/cymru.global\/cy\/hawliau-dynol-cy\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\/#article","isPartOf":{"@id":"https:\/\/cymru.global\/cy\/hawliau-dynol-cy\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\/"},"author":{"name":"Craig Owen","@id":"https:\/\/cymru.global\/cy\/#\/schema\/person\/b4a3bb351a6e3c07121e207a47e2b1ab"},"headline":"Diwrnod Cofio&#8217;r Holocost 2025 &#8211; Seremoni Genedlaethol Cymru yn y Deml Heddwch","datePublished":"2026-03-02T14:59:32+00:00","dateModified":"2026-03-02T14:59:35+00:00","mainEntityOfPage":{"@id":"https:\/\/cymru.global\/cy\/hawliau-dynol-cy\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\/"},"wordCount":572,"commentCount":0,"publisher":{"@id":"https:\/\/cymru.global\/cy\/#organization"},"image":{"@id":"https:\/\/cymru.global\/cy\/hawliau-dynol-cy\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\/#primaryimage"},"thumbnailUrl":"https:\/\/cymru.global\/wp-content\/uploads\/2025\/01\/Screenshot-2025-01-27-at-17.25.33.png","articleSection":["Hawliau Dynol","Humanitarian","Immigration, Refugees and Asylum","International Exchange","Peace Heritage","Rhyfel a Gwrthdaro","WCIA history"],"inLanguage":"cy-GB","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/cymru.global\/cy\/hawliau-dynol-cy\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/cymru.global\/cy\/hawliau-dynol-cy\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\/","url":"https:\/\/cymru.global\/cy\/hawliau-dynol-cy\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\/","name":"Diwrnod Cofio'r Holocost 2025 - Seremoni Genedlaethol Cymru yn y Deml Heddwch - Cymru Global","isPartOf":{"@id":"https:\/\/cymru.global\/cy\/#website"},"primaryImageOfPage":{"@id":"https:\/\/cymru.global\/cy\/hawliau-dynol-cy\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\/#primaryimage"},"image":{"@id":"https:\/\/cymru.global\/cy\/hawliau-dynol-cy\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\/#primaryimage"},"thumbnailUrl":"https:\/\/cymru.global\/wp-content\/uploads\/2025\/01\/Screenshot-2025-01-27-at-17.25.33.png","datePublished":"2026-03-02T14:59:32+00:00","dateModified":"2026-03-02T14:59:35+00:00","breadcrumb":{"@id":"https:\/\/cymru.global\/cy\/hawliau-dynol-cy\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\/#breadcrumb"},"inLanguage":"cy-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/cymru.global\/cy\/hawliau-dynol-cy\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\/"]}]},{"@type":"ImageObject","inLanguage":"cy-GB","@id":"https:\/\/cymru.global\/cy\/hawliau-dynol-cy\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\/#primaryimage","url":"https:\/\/cymru.global\/wp-content\/uploads\/2025\/01\/Screenshot-2025-01-27-at-17.25.33.png","contentUrl":"https:\/\/cymru.global\/wp-content\/uploads\/2025\/01\/Screenshot-2025-01-27-at-17.25.33.png","width":1878,"height":1252,"caption":"Ar Ddiwrnod Cofio'r Holocost 27 Ionawr 2025, mae Prif Weinidog Cymru, Eluned Morgan, yn annerch cynulleidfa Teml Heddwch"},{"@type":"BreadcrumbList","@id":"https:\/\/cymru.global\/cy\/hawliau-dynol-cy\/diwrnod-cofior-holocost-2025-seremoni-genedlaethol-cymru-yn-y-deml-heddwch\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Cartref","item":"https:\/\/cymru.global\/cy\/cymru-global\/"},{"@type":"ListItem","position":2,"name":"Diwrnod Cofio&#8217;r Holocost 2025 &#8211; Seremoni Genedlaethol Cymru yn y Deml Heddwch"}]},{"@type":"WebSite","@id":"https:\/\/cymru.global\/cy\/#website","url":"https:\/\/cymru.global\/cy\/","name":"Cymru Global","description":"","publisher":{"@id":"https:\/\/cymru.global\/cy\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/cymru.global\/cy\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"cy-GB"},{"@type":"Organization","@id":"https:\/\/cymru.global\/cy\/#organization","name":"Cymru Global","url":"https:\/\/cymru.global\/cy\/","logo":{"@type":"ImageObject","inLanguage":"cy-GB","@id":"https:\/\/cymru.global\/cy\/#\/schema\/logo\/image\/","url":"https:\/\/cymru.global\/wp-content\/uploads\/2026\/02\/loog-white.svg","contentUrl":"https:\/\/cymru.global\/wp-content\/uploads\/2026\/02\/loog-white.svg","width":179,"height":59,"caption":"Cymru Global"},"image":{"@id":"https:\/\/cymru.global\/cy\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/welshcentreforinternationalaffairs\/","https:\/\/x.com\/WCIA_Wales","https:\/\/www.instagram.com\/wcia_wales\/?hl=en-gb","https:\/\/www.youtube.com\/channel\/UC0G2l7QV_yPDU4RHB8hEEPg"]},{"@type":"Person","@id":"https:\/\/cymru.global\/cy\/#\/schema\/person\/b4a3bb351a6e3c07121e207a47e2b1ab","name":"Craig Owen","image":{"@type":"ImageObject","inLanguage":"cy-GB","@id":"https:\/\/secure.gravatar.com\/avatar\/ddf69d48b620ba56dc5e9645bb2b3b54243829f3e133aaad1d2f65e0ae3d7d0c?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/ddf69d48b620ba56dc5e9645bb2b3b54243829f3e133aaad1d2f65e0ae3d7d0c?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/ddf69d48b620ba56dc5e9645bb2b3b54243829f3e133aaad1d2f65e0ae3d7d0c?s=96&d=mm&r=g","caption":"Craig Owen"},"url":"https:\/\/cymru.global\/cy\/author\/craig-owen\/"}]}},"_links":{"self":[{"href":"https:\/\/cymru.global\/cy\/wp-json\/wp\/v2\/posts\/50326","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cymru.global\/cy\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cymru.global\/cy\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cymru.global\/cy\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/cymru.global\/cy\/wp-json\/wp\/v2\/comments?post=50326"}],"version-history":[{"count":1,"href":"https:\/\/cymru.global\/cy\/wp-json\/wp\/v2\/posts\/50326\/revisions"}],"predecessor-version":[{"id":50329,"href":"https:\/\/cymru.global\/cy\/wp-json\/wp\/v2\/posts\/50326\/revisions\/50329"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cymru.global\/cy\/wp-json\/wp\/v2\/media\/42586"}],"wp:attachment":[{"href":"https:\/\/cymru.global\/cy\/wp-json\/wp\/v2\/media?parent=50326"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cymru.global\/cy\/wp-json\/wp\/v2\/categories?post=50326"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cymru.global\/cy\/wp-json\/wp\/v2\/tags?post=50326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}