This is a list of Welsh important historical documents connected to Wales and/or the Welsh language, starting from the early medieval period. These documents are written in various stages of the Welsh language as well as other languages such as Latin.
List +List of important historic documents (in order of time written)Title DateLanguageTranslationContentsAuthor/TranslatorEarly Middle AgesHistoria Brittonum Around 828Latin The History of BritainIncludes Arthurian legends NenniusHigh Middle AgesHistoria Regum Britanniae 1136Latin The Regal History of Britain Pseudo-historical account of British history & kings from the founding of Celtic Britain until 682AD.Geoffrey of MonmouthLlyfr Du Gaerfyrddin Before 1250 Middle WelshThe Black Book of Carmarthen Vellum codex: 9th-12th C poetryAnnales Cambriae12th CenturyLatinThe Annals of WalesWelsh history timeline from 447AD to 954AD Late Middle AgesBrut y Tywysogion 1330Middle Welsh translationof lost Latin workChronicle of the PrincesContinues Welsh history from the end of History Regum Britanniae beginning with the death of Cadwaladr Fendigaid in 682. Ends with a later addition of the period 1282-1332.An unknown WelshmanCyfraith Hywel1350WelshLaws of HywelInclude a core of laws of King of Deheubarth, Hywel Dda likely passed during the reign 942–948, although this text contains later laws of the 12th and 13th centuries.Leges Hywel DdaMid 13th centuryLatinLaws of HywelLatin version of Laws of Hywel Dda.Llyfr Du y Waun Mid 13th centuryWelshThe Black Book of Chirk Codex; First record of Hywel Dda's Welsh laws Llywelyn ap GruffuddLlyfr Aneirin 2nd half of 13th centuryOld/Middle WelshThe Book of Aneurin Poetry AneurinCronicon de WalliaLate 13th CenturyLatinThe Chronicles of WalesWelsh history during the period 1190–1266. From Exeter Cathedral.Llyfr Coch Hergest Shortly after 1382WelshThe Red Book of Hergest Vellum manuscript: Mabinogion; the poetry of the GogynfeirddLlythr Pennal 1406Latin Pennal LetterA vision of an independent Wales Owain GlyndŵrLlyfr Taliesin 1st half of 14th centuryOld/Middle Welsh Book of Taliesin Early medieval poetry TaliesinLlyfr Gwynedd RhydderchMid 14th centuryWelshThe White Book of RhydderchFour branches of the mabinogi.RenaissanceYny lhyvyr hwnn 1546WelshIn this bookThe first book printed in Welsh Literary heritage of WalesSir John PriceY Beibl cyssegr-lan1588WelshThe BibleThe old and new testaments of the Bible.William Morgan
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