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| | 70 AD | Wales is occupied by the Romans | |
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| | 383 | The concept of the Welsh nation when the Picts and Celts invade the land | |
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| | 440 | Britain, abandoned by the Romans, passed into the power of the Saxons | |
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| | 784 | The King Of Mercia builds Offa's Dyke as a boundary between England and Wales | |
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| | 844 | 844-877 The Reign Of Rhodri Mawr (Rhodri The Great) who united all of Wales under his rule | |
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| | 890 | Welsh rulers acknowledge Alfred Of Wessex (Alfred the Great) as their ruler | |
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| | 1066 | 1066-77 Following the defeat of the English King Harold at the Battle of Hastings the Normans take control of Wales | |
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| | 1120 | 1120-1129 "Historia Regum Britanniae" was written by Geoffrey Of Monmouth and details the Arthurian Legend of King Arthur. This provided the Welsh with a claim to the sovereignty of the whole island of Britain of which the Tudors took advantage | |
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| | 1137 | The Reign of Owain Gwynedd (1137-1170 ) | |
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| | 1169 | According to Welsh legend Prince Madog Of Gwynedd, landed in Alabama and travelled up the Missouri | |
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| | 1204 | Prince Llywelyn Ap Iorwerth (1173-1240) married Joan, the daughter of King John Of England | |
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| | 1240 | 1240 Dafydd ap Llywelyn (c. 1208 – February 25, 1246) was Prince of Gwynedd from 1240 to 1246 who had two sons of Gruffydd, Llywelyn ap Gruffydd and Owain ap Gruffydd, | |
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| | 1277 | King Edward branded Llywelyn ap Gruffyd as "a rebel and disturber of the peace" and declared his lands forfeit | |
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| | 1278 | Edward I had launched a massive invasion of Wales, re-conquering South Wales and defeating Llywelyn ap Gruffyd and North Wales. Llywelyn ap Gruffyd was forced to accept the peace of Aberconwy. Edward commissioned the building of four major castles in Wales - Flint, Rhuddlan, Builth and Aberystwyth | |
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| | 1282 | Llywelyn ap Gruffyd mounted a second Welsh rebellion with his brother David. Llywelyn ap Gruffyd was killed in battle and his brother David was captured and executed. | |
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| | 1284 | Wales became incorporated into The Kingdom Of England under the Statute of Rhuddlan | |
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| | 1485 | The Battle Of Bosworth ended the English Wars of the Roses when Henry Tudor defeated Richard III. Henry Tudor claimed Welsh descent through Owain Tudor of Penmynedd in Anglesey who had secretly married Catherine, widow of King Henry V. Their son, Edmund Tudor fathered Henry Tudor, who became King Henry VII of England and fulfilled the old prophesy that one day a Welsh Monarch would rule the whole of Britain | |
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