|Covid-19|Emperor Shirakawa ascends to the throne of Japan.
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.
The Seljuq Turks conquer Ankara.
Sviatoslav II begins his reign as ruler of Kievan Rus.
Renewal of the treaty between the Christian king of Navarre, Sancho IV, and the Muslim ruler of the taifa of Zaragoza, al-Muqtadir.
Ebles II of Roucy leads a Frankish troop in Spain to support the king of Aragon in his struggle against his southern Muslim neighbors.
Rabbi Yitchaki Alfassi finishes writing the Rif, an important work of Jewish law.
April 22 – Pope Gregory VII (Cardinal Hildebrand) succeeds Pope Alexander II as the 157th pope.
John IX bar Shushan ends his term as Syrian Patriarch of Antioch.
David the Builder, King of Georgia
Leopold III, Margrave of Austria
Empress Meng, Chinese empress regent
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)
Year 1073 (MLXXIII) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar.
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