What is 1231?
{{Year nav|1231}} {{Year in various calendars|1231}} {{Year article header|1231}} == Births == * [[March 17]] – [[Emperor Shijo|Emperor Shijō]] of Japan (died [[1242]]) * [[Guo Shoujing]], Chinese astronomer and mathematician * [[John de Warenne, 7th Earl of Surrey]] (died [[1304]]) * [[Roger Mortimer, 1st Baron Wigmore]] (died [[1282]]) == Deaths == * [[April 6]] – [[William Marshal, 2nd Earl of Pembroke]] * [[June 13]] – [[Anthony of Padua]], Portuguese saint (born [[1195]]) * [[November 6]] – [[Emperor Tsuchimikado]] of Japan (born [[1196]]) * [[November 17]] – [[Elisabeth of Hungary]], daughter of [[Andrew II of Hungary]] and saint (born [[1207]]) * [[Abd-el-latif]], Arab physician and traveller [[Category:1231| ]]