What is 1280s?
The '''1280s''' was a decade that began on 1 January 1280 and ended on 31 December 1289. It is distinct from the decade known as the '''''129th decade''''' which began on January 1, 1281. and ended on December 31, 1290.{{decadebox|128}} == Events == * [[1282]] – [[March]] – [[Dafydd ap Gruffydd]], brother to [[Prince of Wales]] [[Llywelyn the Last]], attacks an [[England|English]] castle; his brother feels compelled to support him despite poor preparation for war, quickly leading to the final English conquest of [[Wales]] by King [[Edward I of England]]. * [[1286]] – [[Prussian people|Prussians]] settled in exile in [[Serbia]] stage a famous uprising. * [[1288]] – [[June 5]] – [[John I of Brabant]] defeats the duchy of [[Guelders]] in the [[Battle of Worringen]] — one of the largest battles in Europe of the Middle Ages — thus winning possession of the [[duchy of Limburg]]. The battle also liberates the city of [[Cologne]] from rule by the [[Archbishopric of Cologne]]; it had previously been one of the major ecclesiastical principalities of the [[Holy Roman Empire]]. * 1288 – [[August 8]] – [[Pope Nicholas IV]] proclaims a crusade against King [[Ladislaus IV of Hungary]], who had lost credibility by favoring his semi-pagan [[Cumans|Cuman]] subjects and in general refusing to conform to the social standards of western Europe. [[Category:1280s| ]]