In the North Canterbury region many buildings were severely damaged, particularly in the Hope Valley and Hanmer areas.
The oldest recorded reference to a church in Hanmer dates from 1110, though this building was destroyed in 1463 during the Wars of the Roses.
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Dafydd ab Edmwnd (fl. c. 1450–97), one of the most prominent Welsh poets of the later Middle Ages, was born in Hanmer.
The commentary team for the twenty-second consecutive year was John Hanmer who covered the first four fences, Julian Wilson who covered the fence before Becher's Brook until Valentine's Brook before handing back to Hanmer who covered the field back onto the racecourse proper, before handing over to the anchor commentator, Peter O'Sullevan who covered the start, midway point and finish of the race.
Alys ferch Owain Glyndŵr (15th century), daughter of Margaret Hanmer and Owain Glyndŵr
In the Owain Glyndŵr Memorial Hall are artifacts associated with the man himself: a copy of the Pennal Letter to King Charles VI of France, a document of 1405 ratifying the terms of a 1404 treaty between Owain and the French, a letter confirming the appointments of Owain's Chancellor, Gruffydd Young and Owain's brother-in-law, John Hanmer as Ambassadors to the French Court, pictures of the Parliament house in Dolgellau, a portrait drawn from Owain's seal, and a replica of this seal.
They fell on them and defeated the Welsh, killing 800 to 1,000 men and capturing Owen ap Gruffydd ap Rhisiant, Glyndwr's Secretary and John Hanmer, Glyndwr's brother in law, who both survived the battle but were imprisoned in the Tower of London.
At a time when British influence on the Barbary Coast was overshadowed by that of France, Hanmer Warrington nevertheless succeeded in developing a close relationship with the local ruler, known as the bashaw, Yusuf Karamanli.
Lee Franklin Hanmer was the director of the recreation department of the Russell Sage Foundation from 1912 to 1937— in that capacity, he helped to found the Boy Scouts of America.
He married Angharad, a daughter of Griffith Hanmer, of the same family as Owain Glyndŵr's wife, Margaret Hanmer.
Among the sixteenth-century luminaries who were familiar with the work and drew upon it in their own writings were John Leland, John Bale, Abraham Ortelius, Henry Sidney, Philip Sidney, Edmund Campion, Hooker, Holinshed, Hanmer, William Herbert and William Camden.