
{"id":53117,"date":"2026-07-17T11:41:01","date_gmt":"2026-07-17T10:41:01","guid":{"rendered":"https:\/\/cymru.global\/uncategorized-cy\/pan-ddaeth-y-byd-i-aberystwyth-cyngres-cynghrair-y-cenhedloedd-1926-29-mehefin-3-gorffennaf\/"},"modified":"2026-07-17T11:41:05","modified_gmt":"2026-07-17T10:41:05","slug":"pan-ddaeth-y-byd-i-aberystwyth-cyngres-cynghrair-y-cenhedloedd-1926-29-mehefin-3-gorffennaf","status":"publish","type":"post","link":"https:\/\/cymru.global\/cy\/peace-heritage-cy\/pan-ddaeth-y-byd-i-aberystwyth-cyngres-cynghrair-y-cenhedloedd-1926-29-mehefin-3-gorffennaf\/","title":{"rendered":"Pan ddaeth y Byd i Aberystwyth: Cyngres Cynghrair y Cenhedloedd 1926, 29 Mehefin-3 Gorffennaf."},"content":{"rendered":"<div class=\"container\">\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div><div class=\"container\">\n<h2 class=\"wp-block-heading\">Archif y Mis &#8211; 100 mlynedd yn \u00f4l<\/h2>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">Gweld <a href=\"https:\/\/www.casgliadywerin.cymru\/collections\/1778916\">eitemau digidol Casgliad y Werin Cymru<\/a> o Gyngres Heddwch 1926 (o Archifau&#8217;r Deml Heddwch) <\/p>\n<\/div><div class=\"container section section-image-content\">\r\n\t<div style=\"background-image: url('https:\/\/cymru.global\/wp-content\/uploads\/2021\/07\/1926-Aberystwyth-League-of-Nations-Congress.jpg');\" class=\"inner\">\r\n\t\t\r\n\t\r\n\t<div class=\"overlay\"><\/div>\r\n\t\r\n\t<div class=\"row\">\r\n\r\n\t\t<div class=\"col-md-6 col-sm-12\">\r\n\t\t\t\r\n\t\t\t<div class=\"top-content\">\r\n\t\t\t\t<h1>Pan ddaeth y Gynghrair i Gymru<\/h1>\n\t\t\t<\/div>\r\n\r\n\t\t\t<div class=\"bottom-content\">\r\n\t\t\t\t<p>Llun gr\u0175p o gynrychiolwyr i Gyngres Ffederasiwn Rhyngwladol Cymdeithasau Cynghrair y Cenhedloedd 1926, a dynnwyd ger y prif leoliad, Neuadd y Brifysgol ar North Road, yn ystod egwyl fer yn yr amserlen lawn. Gellir gweld y trefnydd, y Major David Davies (gyda het a mwstach), yn eistedd yn y rhes flaen ar y dde, uwchben y &#8216;w&#8217; mewn llawysgrifen yn &#8216;Aberystwyth&#8217;. <\/p>\n\t\t\t<\/div>\r\n\r\n\t\t<\/div>\r\n\r\n\t<\/div>\r\n<\/div>\r\n<\/div><div class=\"container\">\n<h3 class=\"wp-block-heading\">Paris, Llundain, Brwsel (1919), Milan (1920), Genefa (1921), Prague (1922), Fienna (1923), Lyon (1924), Warsaw (1925)\u2026 <strong>ABERYSTWYTH (1926)<\/strong>\u2026 Berlin (1927), Yr H\u00e2g (1928), Prague (1928), Madrid (1929), Brwsel (1934), Genefa (1936)\u2026<\/h3>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">Rhwng Mehefin 29ain a Gorffennaf 3ydd 1926, daeth tref brifysgol Aberystwyth yng ngorllewin Cymru yn &#8216;ganolfan y byd diplomyddol&#8217; am gyfnod byr, wrth iddi gynnal cynulliad sy&#8217;n cyfateb i Gynulliad Cyffredinol y Cenhedloedd Unedig heddiw: 10fed Cyngres Lawn y <a href=\"https:\/\/en.wikipedia.org\/wiki\/International_Federation_of_League_of_Nations_Societies#:~:text=The%20International%20Federation%20of%20League,member%2DAssociations%20in%20forty%20countries.\">Ffederasiwn Rhyngwladol Cymdeithasau Cynghrair y Cenhedloedd<\/a> (IFLNS). Croesawodd Gorllewin Cymru gynrychiolwyr rhyngwladol o 40 o genhedloedd ledled y byd, o&#8217;r UDA a Japan i ddirprwyaethau o&#8217;r Almaen a&#8217;r Eidal, oll yn gweithio tuag at un nod cyffredin: dim llai na Heddwch y Byd yn sgil y Rhyfel Byd. Daeth dros 3,000 o bobl gyffredin i&#8217;r cyfarfodydd cyhoeddus a gynhaliwyd ochr yn ochr \u00e2&#8217;r Gyngres &#8211; sy&#8217;n cyfateb i 1\/3 o&#8217;r boblogaeth leol, adlewyrchiad rhyfeddol o gryfder teimladau&#8217;r Cymry tuag at heddwch y byd yn sgil y Rhyfel Byd Cyntaf.   <\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\"><br\/><br\/>Sefydlwyd yr IFLNS ym 1920 fel corff cymorth cymdeithas sifil (y cyfeirir ato&#8217;n aml fel y &#8216;drydedd fraich&#8217;) i <a href=\"https:\/\/www.ungeneva.org\/en\/about\/league-of-nations\/covenant\">Gynghrair y Cenhedloedd<\/a> yn <a href=\"https:\/\/www.ungeneva.org\/en\/about\/league-of-nations\/overview\">Genefa<\/a>, a hwn oedd y <em>\u201cprif sefydliad anllywodraethol rhyngwladol ar gyfer hyrwyddo heddwch rhwng y rhyfeloedd byd\u201d<\/em> (<a href=\"https:\/\/www.researchgate.net\/publication\/263527016_Internationalism_in_a_Divided_World_The_Experience_of_the_International_Federation_of_League_of_Nations_Societies_1919-1939\">Thomas Davies, 2012<\/a>). Gyda&#8217;i bencadlys yn Brwsel i ddechrau rhwng 1920-34, yna Genefa, y Swistir 1934-46, fe&#8217;i holynwyd ar \u00f4l yr Ail Ryfel Byd gan Ffederasiwn Byd-eang Cymdeithasau&#8217;r Cenhedloedd Unedig (<a href=\"https:\/\/en.wikipedia.org\/wiki\/World_Federation_of_United_Nations_Associations\">WFUNA<\/a>) &#8211; trawsnewidiad a adlewyrchwyd yng Nghymru gan Undeb Cynghrair y Cenhedloedd Cymru (WLNU) yn &#8216;newid&#8217; i fod yn UNA Cymru. Cedwir Archifau&#8217;r Ffed Ryngwladol \/ IFLNS yng <a href=\"http:\/\/triarchive.brynmawr.edu\/resources\/scpc-cdg-b-belgium-international_federation_of_lea\">Ngholeg Brynmawr, UDA<\/a>, ac yn <a href=\"https:\/\/libraryresources.unog.ch\/leagueofnationsarchives\">Archifau&#8217;r Cenhedloedd Unedig, Genefa<\/a>, ochr yn ochr \u00e2 rhai&#8217;r cyrff rhynglywodraethol eu hunain ymhlith <a href=\"https:\/\/libraryresources.unog.ch\/leagueofnationsarchives\">Archifau Cynghrair y Cenhedloedd<\/a>.  <\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\"><br\/>Yn wreiddiol, roedd Cyngres IFLNS 1926 wedi&#8217;i threfnu i gael ei chynnal yn <strong><a href=\"https:\/\/en.wikipedia.org\/wiki\/Dresden\">Dresden<\/a><\/strong>, yn dilyn <a href=\"https:\/\/www.bbc.co.uk\/bitesize\/guides\/zwxnqhv\/revision\/3\">derbyn yr Almaen i&#8217;r Gynghrair<\/a> ar \u00f4l llofnodi <a href=\"https:\/\/en.wikipedia.org\/wiki\/Locarno_Treaties\">Cytundebau Locarno<\/a> 1925. Fodd bynnag, arweiniodd gwrthwynebiad ar \u00f4l y Rhyfel Byd Cyntaf i ailintegreiddio&#8217;r Almaen i fecanwaith diplomyddiaeth ryngwladol at dynnu ymgeisyddiaeth Dresden i gynnal y Gyngres fawreddog yn \u00f4l. <\/p>\n<\/div><div class=\"container\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"700\" height=\"353\" src=\"https:\/\/cymru.global\/wp-content\/uploads\/2026\/06\/Aberystwyth-University-Old-College-Seafront.jpg\" alt=\"\" class=\"wp-image-52908\" srcset=\"https:\/\/cymru.global\/wp-content\/uploads\/2026\/06\/Aberystwyth-University-Old-College-Seafront.jpg 700w, https:\/\/cymru.global\/wp-content\/uploads\/2026\/06\/Aberystwyth-University-Old-College-Seafront-300x151.jpg 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\"><em>Yr Hen Goleg, Aberystwyth, 1900au (credyd: Prifysgol Aberystwyth)<\/em> <\/figcaption><\/figure>\n<\/div><div class=\"container\">\n<h2 class=\"wp-block-heading\">Pam Aberystwyth?<\/h2>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\"><br\/>Gyda dim ond 3 mis i fynd, defnyddiodd yr adeiladwr heddwch a&#8217;r dyngarwr o Gymru <a href=\"https:\/\/cymru.global\/cy\/wcia-news-cy\/wcia-history-cy\/david-davies-75-tad-rhyngwladol-y-deml-heddwch\/\">David Davies<\/a> ei ddylanwad sylweddol (a&#8217;i gymorth ariannol) i alluogi cyngres dyngedfennol y flwyddyn honno i fynd rhagddi, trwy &#8216;gynnig Cymru&#8217; fel cenedl arall i&#8217;w chynnal. Ef oedd &#8216;Rheolwr&#8217; (Cadeirydd i bob pwrpas, o 1925 i 1929) y Ffederasiwn Rhyngwladol, yn ogystal \u00e2 bod wedi sefydlu <a href=\"https:\/\/cymru.global\/wlnu\/\">Undeb Cynghrair y Cenhedloedd Cymru<\/a> o 1922; ac roedd hefyd yn Gyfarwyddwr ar y <a href=\"https:\/\/en.wikipedia.org\/wiki\/Great_Western_Railway\">Great Western Railway<\/a>, a thrwy hwnnw trefnodd gludiant i&#8217;r cannoedd o gynrychiolwyr, gyda thr\u00ean arbennig o London Paddington.  <\/p>\n<\/div><div class=\"container\">\n<ul class=\"wp-block-list\"><div class=\"container\">\n<li><a href=\"https:\/\/liberalhistory.org.uk\/wp-content\/uploads\/2015\/05\/29-Jones-The-Peacemonger.pdf\">David Davies: The Peacemonger<\/a> &#8211; J Graham Jones, Liberal History 2001<\/li>\n<\/div><\/ul>\n<\/div><div class=\"container section section-gallery\">\r\n\r\n\t\t\t\t    <div id=\"slider\" class=\"flexslider\">\r\n\t\t        <ul class=\"slides\">\r\n\t\t            \r\n\t\t\t\t\t\t<div class=\"row\">\t\t\t                <li class=\"col-md-4 col-md-offset-0 col-sm-10 col-sm-offset-1\">\r\n\t\t\t                \t<a href=\"https:\/\/cymru.global\/wp-content\/uploads\/2026\/06\/48049879351_c9831f3e83_o-1440x1200.jpg\" class=\"gallery-thumb\" rel=\"gallery0\">\r\n\t\t\t                    \t<img decoding=\"async\" src=\"https:\/\/cymru.global\/wp-content\/uploads\/2026\/06\/48049879351_c9831f3e83_o-600x600.jpg\" \/>\r\n\t\t\t                \t<\/a>\r\n\t\t\t                <\/li>\r\n\t\t\t            \r\n\t\t            \r\n\t\t\t\t\t\t\t\t\t                <li class=\"col-md-4 col-md-offset-0 col-sm-10 col-sm-offset-1\">\r\n\t\t\t                \t<a href=\"https:\/\/cymru.global\/wp-content\/uploads\/2021\/09\/Peace-Pageant-special-Train-Aberystwyth-1936-WLNU.jpg\" class=\"gallery-thumb\" rel=\"gallery0\">\r\n\t\t\t                    \t<img decoding=\"async\" src=\"https:\/\/cymru.global\/wp-content\/uploads\/2021\/09\/Peace-Pageant-special-Train-Aberystwyth-1936-WLNU.jpg\" \/>\r\n\t\t\t                \t<\/a>\r\n\t\t\t                <\/li>\r\n\t\t\t            \r\n\t\t            \r\n\t\t\t\t\t\t\t\t\t                <li class=\"col-md-4 col-md-offset-0 col-sm-10 col-sm-offset-1\">\r\n\t\t\t                \t<a href=\"https:\/\/cymru.global\/wp-content\/uploads\/2024\/02\/Washington-Post-22.02.1924-Welsh-Women-Peace-Memorial.jpeg\" class=\"gallery-thumb\" rel=\"gallery0\">\r\n\t\t\t                    \t<img decoding=\"async\" src=\"https:\/\/cymru.global\/wp-content\/uploads\/2024\/02\/Washington-Post-22.02.1924-Welsh-Women-Peace-Memorial.jpeg\" \/>\r\n\t\t\t                \t<\/a>\r\n\t\t\t                <\/li>\r\n\t\t\t            <\/div>\r\n\t\t            \t\t        <\/ul>\r\n\t\t    <\/div>\r\n\r\n\t\t\r\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">Uchod: <em>(Chwith) &#8211; Y Major David Davies ym 1922 gyda&#8217;i fab Michael yn eu cartref ym Mhlas Dinam, Sir Drefaldwyn; (canol) &#8211; &#8216;Tr\u00ean Heddwch&#8217; Arbennig yr WLNU yn cyrraedd Aberystwyth; (Dde) Annie Hughes Griffiths a chydweithwyr yn cyflwyno Deiseb Heddwch Menywod Cymru yn y T\u0177 Gwyn ym mis Chwefror 1924 (toriadau papur newydd WLNU, Archifau&#8217;r Deml Heddwch)<\/em> <\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">Roedd Llywydd yr WLNU ar gyfer 1925-6, <a href=\"https:\/\/cymru.global\/our-work\/peace-heritage\/peacepetition-annies-diary\/\" target=\"_blank\" rel=\"noreferrer noopener\">Annie Hughes Griffiths<\/a>, newydd ddychwelyd o arwain <a href=\"https:\/\/cymru.global\/cy\/wcia-news-cy\/wcia-history-cy\/ysbrydolwyd-gan-annie-hanes-deiseb-merched-dros-heddwch-i-america-1924\/\">Ap\u00eal Heddwch Menywod Cymru i America ym 1924<\/a>, a oedd wedi taflu menywod Cymru i sylw&#8217;r byd ym maes adeiladu heddwch a diplomyddiaeth. Brawd Annie, <a href=\"https:\/\/en.wikipedia.org\/wiki\/John_Humphreys_Davies\">John Humphreys Davies<\/a>, oedd Prifathro Prifysgol Aberystwyth o 1919-26, a chyda diwedd y tymor academaidd roedd ganddo&#8217;r gallu (gyda chefnogaeth bwrdd y brifysgol) i sicrhau bod y sefydliad cyfan ar gael. Heb os, roedd y cyfle i gynnal un o ddigwyddiadau mwyaf mawreddog a phroffil uchel y byd yn gryn gamp &#8211; ac un a groesawyd \u00e2 breichiau agored gan y dref arfordirol fach hon o lai na <a href=\"https:\/\/www.aberystwythguide.org.uk\/history\/\">10,000 o boblogaeth<\/a>, gyda channoedd yn troi allan, yn \u00f4l y s\u00f4n, i groesawu eu hymwelwyr byd-eang gan chwifio baneri&#8217;r byd.   <\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">O fewn llai na 12 wythnos, cafodd y gyngres fyd-eang gyfan ei hadleoli i Orllewin Cymru, a lluniwyd rhaglen.<\/p>\n<\/div><div class=\"container\">\n<p class=\"has-text-align-left wp-block-paragraph\"><img decoding=\"async\" width=\"602\" height=\"622\" srcset=\"https:\/\/cymru.global\/wp-content\/uploads\/2019\/07\/Aberystwyth-Peace-Congress-1926-Annie-Hughes-Griffiths-with-Count-Bernsrtorff.png.webp 602w, https:\/\/cymru.global\/wp-content\/uploads\/2019\/07\/Aberystwyth-Peace-Congress-1926-Annie-Hughes-Griffiths-with-Count-Bernsrtorff-290x300.png.webp 290w, https:\/\/cymru.global\/wp-content\/uploads\/2019\/07\/Aberystwyth-Peace-Congress-1926-Annie-Hughes-Griffiths-with-Count-Bernsrtorff-1x1.png 1w\" src=\"https:\/\/cymru.global\/wp-content\/uploads\/2019\/07\/Aberystwyth-Peace-Congress-1926-Annie-Hughes-Griffiths-with-Count-Bernsrtorff.png\" alt=\"\"\/><\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\"><em>Llywydd Undeb Cynghrair y Cenhedloedd Cymru (WLNU) <strong><a href=\"https:\/\/cymru.global\/our-work\/peace-heritage\/peacepetition-annies-diary\/\">Annie Hughes Griffiths<\/a><\/strong> yn hebrwng y cynrychiolydd o&#8217;r Almaen (a chyn-Lysgennad yr UDA) <a href=\"https:\/\/en.wikipedia.org\/wiki\/Johann_Heinrich_von_Bernstorff\">yr Iarll Bernstorff<\/a> (gweler y dyfyniad isod) o Orsaf Reilffordd Aberystwyth \u2013 o Doriadau Papur Newydd WLNU \/ Y Deml Heddwch.<\/em><\/p>\n<\/div><div class=\"container\">\n<h2 class=\"wp-block-heading\">Pwy Ddaeth &#8211; a Beth wnaethon nhw yn Aber?<\/h2>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">Mae&#8217;r <a href=\"https:\/\/www.peoplescollection.wales\/items\/2032536\">Itinerary and Delegates list<\/a> (cliciwch y ddolen neu&#8217;r ddelwedd isod i weld y llyfryn digidol ar Gasgliad y Werin Cymru) yn manylu ar yr amserlen o ddydd i ddydd ar gyfer yr wythnos, yn ogystal \u00e2&#8217;r rhestr o fynychwyr swyddogol.<\/p>\n<\/div><div class=\"container\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.peoplescollection.wales\/items\/2032536\"><img decoding=\"async\" width=\"522\" height=\"396\" src=\"https:\/\/cymru.global\/wp-content\/uploads\/2021\/07\/Screen-Shot-2021-07-29-at-14.43.36.png\" alt=\"\" class=\"wp-image-20487\" srcset=\"https:\/\/cymru.global\/wp-content\/uploads\/2021\/07\/Screen-Shot-2021-07-29-at-14.43.36.png 522w, https:\/\/cymru.global\/wp-content\/uploads\/2021\/07\/Screen-Shot-2021-07-29-at-14.43.36-300x228.png 300w, https:\/\/cymru.global\/wp-content\/uploads\/2021\/07\/Screen-Shot-2021-07-29-at-14.43.36-395x300.png 395w, https:\/\/cymru.global\/wp-content\/uploads\/2021\/07\/Screen-Shot-2021-07-29-at-14.43.36-1x1.png 1w\" sizes=\"(max-width: 522px) 100vw, 522px\" \/><\/a><figcaption class=\"wp-element-caption\"><em>Llyfryn amserlen Cyngres IFLNS a gynhyrchwyd ar gyfer cynrychiolwyr<\/em> (cliciwch i weld y manylion)<\/figcaption><\/figure>\n<\/div><div class=\"container\">\n<ul class=\"wp-block-list\"><div class=\"container\">\n<li>Dydd Gwener 25 Mehefin &#8211; Dydd Llun 28 Mehefin: cyfarfodydd cychwynnol yn Llundain ym mhencadlys Undeb Cynghrair y Cenhedloedd y DU, 15 Grosvenor Square<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Dydd Mawrth 29 Mehefin &#8211; tr\u00ean arbennig yn gadael London Paddington am 8.50am, gyda gwasanaeth cinio llawn ar y daith, gan gyrraedd Aberystwyth am 2.50pm lle cafodd y cynrychiolwyr eu tywys i&#8217;w gwestai.<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Am 4pm dechreuodd sesiwn lawn gychwynnol y gyngres yn Neuadd y Brifysgol, gyda Derbyniad y Maer wedi&#8217;i ddilyn gan ginio.<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Dydd Mercher 30 Mehefin &#8211; Yn dilyn diwrnod llawn o Sesiwn Lawn y Gyngres, trefnwyd gwibdaith gan Gyngor y Dref ac Undeb Cynghrair y Cenhedloedd Cymru (WLNU) mewn sharabanc neu dr\u00ean i <a href=\"https:\/\/en.wikipedia.org\/wiki\/Tregaron\">Dregaron<\/a>, lle traddodwyd anerchiad gan y Parch Gwilyn Davies (Cyfarwyddwr WLNU) wrth gerflun <a href=\"https:\/\/en.wikipedia.org\/wiki\/Henry_Richard\">Henry Richard<\/a>, yr &#8216;Apostol Heddwch&#8217; (yn seiliedig ar <a href=\"https:\/\/www.peoplescollection.wales\/items\/1953641\">y llyfryn hwn o 1924<\/a>).<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Dydd Iau 1 Gorffennaf &#8211; Yn dilyn bore o Sesiwn Lawn y Gyngres, o 2pm ymlaen roedd gwibdaith yn cynnig taith i ymwelwyr ar <a href=\"https:\/\/en.wikipedia.org\/wiki\/Vale_of_Rheidol_Railway\">reilffordd gul Rheidol<\/a> i fyny i fan prydferth enwog Pontarfynach (taith y gellir dal i <a href=\"https:\/\/vor.wales\/\">ei mwynhau ar dr\u00ean ager heddiw<\/a>).<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Am 8pm cynhaliwyd cyfarfod cyhoeddus yn Neuadd y Brifysgol gan alluogi pobl Cymru ac ymgyrchwyr heddwch i gwrdd ag ymwelwyr y Gynghrair o bob rhan o&#8217;r byd.<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Dydd Gwener 2 Gorffennaf &#8211; diwrnod llawn o&#8217;r Gyngres gyda &#8216;chinio swyddogol&#8217;; cyfarfod o <a href=\"https:\/\/www.peoplescollection.wales\/items\/805326\">Gyngor Cenedlaethol Cymru yr WLNU (cofnod digidol yma<\/a>); gan gloi am 8.30pm gyda Derbyniad y Prifathro yng Ngholeg y Brifysgol ar lan y m\u00f4r. <\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Dydd Sadwrn 3 Gorffennaf &#8211; seminar ddysgu WLNU ar &#8216;Waith canghennau ledled Cymru&#8217;, wedi&#8217;i ddilyn gan sesiwn lawn gloi&#8217;r Gyngres erbyn 11.15am<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>12.00 &#8211; Tr\u00ean arbennig yn gadael Aberystwyth, gyda gwasanaeth cinio a the ar y daith cyn cyrraedd Paddington am 6pm ar gyfer cysylltiadau ymlaen i drenau cychod y cyfandir. <\/li>\n<\/div><\/ul>\n<\/div><div class=\"container section section-gallery\">\r\n\r\n\t\t\t\t    <div id=\"slider\" class=\"flexslider\">\r\n\t\t        <ul class=\"slides\">\r\n\t\t            \r\n\t\t\t\t\t\t<div class=\"row\">\t\t\t                <li class=\"col-md-4 col-md-offset-0 col-sm-10 col-sm-offset-1\">\r\n\t\t\t                \t<a href=\"https:\/\/cymru.global\/wp-content\/uploads\/2026\/06\/Screenshot-2026-06-26-at-21.25.56.png\" class=\"gallery-thumb\" rel=\"gallery0\">\r\n\t\t\t                    \t<img decoding=\"async\" src=\"https:\/\/cymru.global\/wp-content\/uploads\/2026\/06\/Screenshot-2026-06-26-at-21.25.56-600x600.png\" \/>\r\n\t\t\t                \t<\/a>\r\n\t\t\t                <\/li>\r\n\t\t\t            \r\n\t\t            \r\n\t\t\t\t\t\t\t\t\t                <li class=\"col-md-4 col-md-offset-0 col-sm-10 col-sm-offset-1\">\r\n\t\t\t                \t<a href=\"https:\/\/cymru.global\/wp-content\/uploads\/2026\/06\/Screenshot-2026-06-26-at-21.24.38.png\" class=\"gallery-thumb\" rel=\"gallery0\">\r\n\t\t\t                    \t<img decoding=\"async\" src=\"https:\/\/cymru.global\/wp-content\/uploads\/2026\/06\/Screenshot-2026-06-26-at-21.24.38-600x600.png\" \/>\r\n\t\t\t                \t<\/a>\r\n\t\t\t                <\/li>\r\n\t\t\t            \r\n\t\t            \r\n\t\t\t\t\t\t\t\t\t                <li class=\"col-md-4 col-md-offset-0 col-sm-10 col-sm-offset-1\">\r\n\t\t\t                \t<a href=\"https:\/\/cymru.global\/wp-content\/uploads\/2026\/06\/Screenshot-2026-06-26-at-21.24.12.png\" class=\"gallery-thumb\" rel=\"gallery0\">\r\n\t\t\t                    \t<img decoding=\"async\" src=\"https:\/\/cymru.global\/wp-content\/uploads\/2026\/06\/Screenshot-2026-06-26-at-21.24.12-600x600.png\" \/>\r\n\t\t\t                \t<\/a>\r\n\t\t\t                <\/li>\r\n\t\t\t            <\/div>\r\n\t\t            \t\t        <\/ul>\r\n\t\t    <\/div>\r\n\r\n\t\t\r\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">Mae&#8217;r rhestr mynychwyr yn cynnwys manylion cynrychiolwyr sy&#8217;n cynrychioli:<\/p>\n<\/div><div class=\"container\">\n<ul class=\"wp-block-list\"><div class=\"container\">\n<li>Yr Almaen<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Awstria<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Gwlad Belg<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Bwlgaria<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Tsieina<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Sbaen<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Yr Unol Daleithiau<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Ffrainc<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Prydain Fawr<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Gwlad Groeg<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Hwngari<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Yr Eidal<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Iwerddon<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Japan<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Latfia <\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Yr Iseldiroedd<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Palesteina<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Gwlad Pwyl<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Rwmania<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Rwsia<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Sweden <\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Y Swistir<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Tsiecoslofacia<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Ysgrifenyddiaeth Cynghrair y Cenhedloedd <\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Y Sefydliad Llafur Rhyngwladol (ILO)<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Staff Ffederasiwn IFLNS<\/li>\n<\/div><\/ul>\n<\/div><div class=\"container\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.peoplescollection.wales\/items\/1763416\"><img decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/cymru.global\/wp-content\/uploads\/2019\/08\/20180829_191513-768x1024.jpg\" alt=\"\" class=\"wp-image-4690\" srcset=\"https:\/\/cymru.global\/wp-content\/uploads\/2019\/08\/20180829_191513-768x1024.jpg 768w, https:\/\/cymru.global\/wp-content\/uploads\/2019\/08\/20180829_191513-800x1067.jpg 800w, https:\/\/cymru.global\/wp-content\/uploads\/2019\/08\/20180829_191513-225x300.jpg 225w, https:\/\/cymru.global\/wp-content\/uploads\/2019\/08\/20180829_191513-1152x1536.jpg 1152w, https:\/\/cymru.global\/wp-content\/uploads\/2019\/08\/20180829_191513-1x1.jpg 1w, https:\/\/cymru.global\/wp-content\/uploads\/2019\/08\/20180829_191513.jpg 1536w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/a><figcaption class=\"wp-element-caption\"><em>Pecyn Croeso ar gyfer Cyngres Cynghrair y Cenhedloedd Aberystwyth 1926<\/em>: y &#8216;<a href=\"https:\/\/www.peoplescollection.wales\/items\/1763416\">Programme of Meetings and Souvenir of Aberystwyth<\/a>&#8216; a gyflwynwyd gan y Maer Llewellyn Samuel. (cliciwch ar y ddolen i weld y llyfryn llawn wedi&#8217;i ddigido ar Gasgliad y Werin Cymru) <\/figcaption><\/figure>\n<\/div><div class=\"container\">\n<h2 class=\"wp-block-heading\">Effaith y Gyngres<\/h2>\n<\/div><div class=\"wp-block-image is-style-rounded\"><div class=\"container\">\n<figure class=\"alignleft size-medium\"><img decoding=\"async\" width=\"228\" height=\"300\" src=\"https:\/\/cymru.global\/wp-content\/uploads\/2026\/06\/Count_Bernstorff_German_League_of_Nations_Wikimedia_Commons-228x300.jpg\" alt=\"\" class=\"wp-image-52917\" srcset=\"https:\/\/cymru.global\/wp-content\/uploads\/2026\/06\/Count_Bernstorff_German_League_of_Nations_Wikimedia_Commons-228x300.jpg 228w, https:\/\/cymru.global\/wp-content\/uploads\/2026\/06\/Count_Bernstorff_German_League_of_Nations_Wikimedia_Commons-768x1011.jpg 768w, https:\/\/cymru.global\/wp-content\/uploads\/2026\/06\/Count_Bernstorff_German_League_of_Nations_Wikimedia_Commons-1167x1536.jpg 1167w, https:\/\/cymru.global\/wp-content\/uploads\/2026\/06\/Count_Bernstorff_German_League_of_Nations_Wikimedia_Commons-800x1053.jpg 800w, https:\/\/cymru.global\/wp-content\/uploads\/2026\/06\/Count_Bernstorff_German_League_of_Nations_Wikimedia_Commons.jpg 1459w\" sizes=\"(max-width: 228px) 100vw, 228px\" \/><\/figure>\n<\/div><\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">Ysgrifennodd <a href=\"https:\/\/en.wikipedia.org\/wiki\/Johann_Heinrich_von_Bernstorff\">yr Iarll Bernstorff<\/a>, a arweiniodd y ddirprwyaeth o&#8217;r Almaen fel aelod o Reichstag Gweriniaeth Weimar 1921-28 (a sylfaenydd Plaid Ddemocrataidd yr Almaen) a Llysgennad Cynghrair y Cenhedloedd, flynyddoedd lawer yn ddiweddarach <a href=\"https:\/\/ia802908.us.archive.org\/29\/items\/in.ernet.dli.2015.66113\/2015.66113.The-Memoirs-Of-Count-Bernstorff.pdf\">yn ei hunangofiant<\/a> yn benodol am ei atgofion melys o Aberystwyth a&#8217;r argraff ddofn a wnaed arno gan Gymru a&#8217;r Cymry a&#8217;u hymrwymiad i adeiladu heddwch:<\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\"> <em>&#8220;Roedd teithiau&#8217;r Gymdeithas Ganolog i&#8217;r gwahanol wledydd bob amser yn rhoi argraffiadau newydd, ond nid oedd yr un mor gryf \u00e2 rhai <strong>Aberystwyth<\/strong>. Fe gawson ni ein derbyn yn gyfeillgar a lletygar ym mhobman, ond ni wnaethom erioed brofi lletygarwch mor hael, a chymaint o gydymdeimlad ar ran pob dosbarth o&#8217;r boblogaeth, i&#8217;r un graddau ag yng Nghymru. Yn Aberystwyth, daeth y dref gyfan allan i&#8217;n hanrhydeddu, ac roedd y strydoedd yn ogystal \u00e2&#8217;r orsaf reilffordd wedi&#8217;u haddurno&#8217;n helaeth \u00e2 baneri. Roedd y Maer a&#8217;r Cynghorwyr yn eu gwisgoedd hanesyddol yn aros amdanom ar y platfform, pan gyrhaeddodd y tr\u00ean arbennig gwych a roddwyd at ein defnydd. Aeth ein hymweliad cyfan rhagddo mewn modd tebyg. Cyfarchodd y boblogaeth ein dyfodiad \u00e2 chymeradwyaeth a gwylio ein trafodaethau gyda diddordeb mawr. Yn y cyfarfod cyhoeddus a drefnwyd, daeth cymaint o bobl nes bod y neuadd, a oedd yn darparu <strong>lle i dair mil eistedd, yn orlawn<\/strong>.       <\/em><\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\"><em>Roedd agwedd poblogaeth Cymru yn syndod i ni i gyd&#8230; Ni fyddai neb wedi credu y byddai&#8217;r diddordeb ymhlith y niferoedd mawr o drigolion ac yn enwedig ymhlith y myfyrwyr mor fawr. Ail syndod i ni oedd amlygrwydd y cymeriad a&#8217;r teimlad Cymreig. Roedd y siaradwyr bob amser yn cyfeirio atynt eu hunain fel cynrychiolwyr cenedl fach, ac yn siarad yn eu hiaith Geltaidd eu hunain (sy&#8217;n llawer mwy cyffredin na&#8217;r Plattdeutsch yn Schleswig-Holstein). Nid wyf erioed wedi dod ar draws dwyieithrwydd mor heddychlon, heblaw efallai yn nhiriogaethau Ffrengig Canada. Mewn cyfarfodydd, roedd anthem genedlaethol Cymru bob amser yn cael ei chanu yn ogystal \u00e2 &#8220;God Save the King,&#8221; ac roedd y caneuon Celtaidd, crefyddol ac fel arall, yn rhoi pleser mynych i ni. Yr argraff gyffredinol oedd o leiafrif bodlon a theyrngar yn parhau ers canrifoedd o fewn Gwladwriaeth gref. Gwnaeth y profiad hwn argraff arbennig ar yr holl gynrychiolwyr, a gwnaeth fy ysgogi yn fy araith gyhoeddus i nodi Cymru fel model ar gyfer datrys <a href=\"https:\/\/en.wikipedia.org\/wiki\/Minority_Treaties\">cwestiwn y Lleiafrifoedd<\/a>.&#8221;       <\/em><\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">Mae&#8217;r Iarll Bernstorff yn cyfeirio yma at drafodaethau cytundeb ar \u00f4l y Rhyfel Byd Cyntaf lle roedd Cynghrair y Cenhedloedd yn ceisio amddiffyn &#8220;hawliau sylfaenol yr holl drigolion mewn unrhyw wlad heb wahaniaeth o ran geni, cenedligrwydd, iaith, hil na chrefydd&#8221; &#8211; y cydbwysedd rhwng cydnabod taleithiau sofran a hunaniaethau o fewn a thros ffiniau. Yn ddiweddarach byddai&#8217;n cael ei orfodi i ffoi o&#8217;r Almaen ym 1933 yn dilyn esgyniad Hitler, i Genefa yn y Swistir &#8211; canolbwynt Cynghrair y Cenhedloedd.  <\/p>\n<\/div><div class=\"container\">\n<h2 class=\"wp-block-heading\">Ailddarganfod yr Hanes Cudd<\/h2>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\"><br\/>Cafodd y <a href=\"https:\/\/cymru.global\/wp-content\/uploads\/2021\/07\/1926-Aberystwyth-hosted-the-League-of-Nations-Congress-by-Elgan-Phillips.pdf\">stori am &#8216;sut&#8217;<\/a> y daeth Gorllewin Cymru heddychlon i groesawu cyngres fyd-eang o&#8217;r fath ei rhoi at ei gilydd yn wreiddiol yn 2016 gan Lyfrgellydd ac Awdur Prifysgol Aberystwyth <strong>Elgan Philip<\/strong> Davies, ar gyfer arddangosfa (mewn partneriaeth \u00e2 rhaglen Canmlwyddiant y Rhyfel Byd Cyntaf WCIA <em><a href=\"https:\/\/cymru.global\/walesforpeace\/\">\u2018Cymru dros Heddwch\u2019<\/a><\/em>) a lwyfannwyd yn <a href=\"https:\/\/www.aber.ac.uk\/en\/news\/archive\/2016\/06\/title-184714-en.html\">Llyfrgell Hugh Owen<\/a> i nodi 90 mlynedd ers i&#8217;r Gyngres Heddwch &#8216;ddod i&#8217;r dref&#8217;. <\/p>\n<\/div><div class=\"container\">\n<ul class=\"wp-block-list\"><div class=\"container\">\n<li>Darllenwch <a href=\"https:\/\/www.aber.ac.uk\/en\/news\/archive\/2016\/06\/title-184714-en.html\">erthygl nodwedd Prifysgol Aberystwyth o 2016<\/a> yn nodi&#8217;r 90fed pen-blwydd, ac archwiliwch ddeunyddiau&#8217;r WLNU sydd wedi&#8217;u digido ers hynny, i ddarganfod mwy am bryd y daeth byd y cyfnod rhwng y rhyfeloedd i Gymru.<\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Aberystwyth <a href=\"https:\/\/aberrarebooks.wordpress.com\/\">Special Collections Blog<\/a>, 2016 <\/li>\n<\/div>\n\n<div class=\"container\">\n<li>Nodwedd y BBC ar <a href=\"https:\/\/www.bbc.co.uk\/news\/uk-wales-mid-wales-36610688\">Arddangosfa Cyngres y 90fed Pen-blwydd<\/a><\/li>\n<\/div><\/ul>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">Defnyddiodd yr arddangosfa nifer o arteffactau o <a href=\"https:\/\/cymru.global\/archives-and-collections\/\">Gasgliadau WCIA yn y Deml Heddwch<\/a>, sy&#8217;n parhau i gael eu harddangos yn Siambr y Cyngor yn y Deml, a gellir eu harchwilio&#8217;n ddigidol trwy&#8217;r dolenni o&#8217;r nodwedd hon.<\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">Gwyliwch gyfweliad byr gydag Elgan Philip Davies yn<\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">https:\/\/youtu.be\/5GPL9qvRTcc?si=af7oALFWH5RCrzFr<br\/><\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">Mae&#8217;r nodwedd hon wedi&#8217;i hehangu trwy ymchwil gan Craig Owen, Cynghorydd Treftadaeth Cymru Global, a wnaed fel rhan o&#8217;i ymchwil MPhil i Dreftadaeth Heddwch Cymru, ac fe&#8217;i diweddarwyd cyn canmlwyddiant Cyngres Aberystwyth dros fis Mehefin-Gorffennaf 2026. <\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\">Gweld <a href=\"https:\/\/www.casgliadywerin.cymru\/collections\/1778916\">eitemau digidol Casgliad y Werin Cymru<\/a> sy&#8217;n ymwneud \u00e2&#8217;r Gyngres Heddwch <\/p>\n<\/div><div class=\"container\">\n<p class=\"wp-block-paragraph\"><br\/><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Archif y Mis &#8211; 100 mlynedd yn \u00f4l Gweld eitemau digidol Casgliad y Werin Cymru o Gyngres Heddwch 1926 (o Archifau&#8217;r Deml Heddwch) Paris, Llundain, Brwsel (1919), Milan (1920), Genefa (1921), Prague (1922), Fienna (1923), Lyon (1924), Warsaw (1925)\u2026 ABERYSTWYTH (1926)\u2026 Berlin (1927), Yr H\u00e2g (1928), Prague (1928), Madrid (1929), [&#8230;]<\/p>\n","protected":false},"author":7,"featured_media":20505,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"iawp_total_views":1,"footnotes":""},"categories":[1123,1280,616,1241,1281],"tags":[1451,1452],"class_list":["post-53117","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-academi-heddwch-cymru-cy","category-peace-heritage-cy","category-rhyfel-a-gwrthdaro-cy","category-wcia-history-cy","category-womens-peace-petition-centenary-cy","tag-treftadaeth","tag-treftadaeth-heddwch"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pan ddaeth y Byd i Aberystwyth: Cyngres Cynghrair y Cenhedloedd 1926, 29 Mehefin-3 Gorffennaf. - Cymru Global<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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