Al-Hakim bi-Amr Allah

Abu Ali al-Mansur, better known by his regnal name al-Hakim bi-Amr Allah, was the sixth Fatimid caliph and 16th Ismaili imam (996–1021). Al-Hakim is an important figure in a number of Shia Ismaili sects, such as the world's 15 million Nizaris and 1–2 million Musta'lis, in addition to 2 million Druze.

13 August 0985

Born on the same birth day (13 August): Charles Seymour, 6th Duke of Somerset • Charles Wells (brewer) • Don Ho • Eric Medlen • Filip Forsberg • Herb Ritts • Louis François, Prince of Conti • Molly Henneberg • Shayne Corson • Willy Rey