980

980 (CMLXXX) was a leap year beginning on Thursday of the Julian calendar, in effect on that date.

Events

• King Miecislao I establishes Christianity as an official religion of Poland.

Births

• Avicena, Muslim Persian philosopher.
• Iamuna Achariá, a Hindu religious and writer (f. 1060).
• Ichijō, Japanese emperor.
• Humberto I, count of saboyan.
• Muhammad II al-Mahdi, Cordoba caliph.
• Oton III From the Holy Roman German Empire

Deaths

Presumably, Al Uqlidisi in Damascus (Syria).