1073

Events

* April 22 — Pope Gregory VII (Cardinal Hildebrand) succeeds Pope Alexander II as the 157th pope.
* Emperor Shirakawa ascends to the throne of Japan.
* Rabbi Yitchaki Alfassi finishes writing the "Rif", an important work of Jewish law.
* John IX bar Shushan ends his term as Syrian Patriarch of Antioch.
* Sviatoslav II begins his reign as ruler of Kievan Rus.
* The Seljuk Turks conquer Ankara.
* Chancellor Wang Anshi of Song Dynasty China creates a new bureau of the central government called the Directorate of Weapons, which supervises the manufacture of military armaments and ensures quality control.

Births

* David the Builder, King of Georgia
* Margrave Leopold III of Austria

Deaths

* April 21 — Pope Alexander II
* June 15 — Emperor Go-Sanjō of Japan (b. 1034)
* Zhou Dunyi, Neo-Confucian philosopher in Song Dynasty China (b. 1017)