1021 in history

Born in 1021

Dec 8 Wang Anshi a Chinese economist, statesman, chancellor and poet of the Song Dynasty who attempted controversial, major socioeconomic reforms. These reforms constituted the core concepts and motives of the Reformists, while their nemesis, Chancellor Sima Guang, led the Conservative faction against them

Died in 1021

Feb 13 Al-Hakim bi-Amr Allah the sixth Fatimid caliph and 16th Ismaili imam. Al-Hakim is an important figure in a number of Shia Ismaili religions, such as the world's 15 million Nizaris and in particular the 2 million Druze of the Levant whose eponymous founder Ad-Darazi proclaimed him as the incarnation of God in 1018. In Western literature he has been referred to as the "Mad Caliph", primarily as a result of the Fatimid desecration of Jerusalem in 1009, though this title is disputed as stemming from partisan writings by some historians
Mar 16 Heribert of Cologne Archbishop of Cologne and Chancellor of Holy Roman Emperor Otto III, and was canonized 1074.