1083

1083 (MLXXXIII) was a common year starting on Sunday of the Julian calendar, the 1083rd year of the Common Era (CE) and Anno Domini (AD) designations, the 83rd year of the 2nd millennium, the 83rd year of the 11th century, and the 4th year of the 1080s decade. As of the start of 1083, the Gregorian calendar was 6 days ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium:	2nd millennium
Centuries:	10th century – 11th century – 12th century
Decades:	1050s  1060s  1070s  – 1080s –  1090s  1100s  1110s
Years:	1080 1081 1082 – 1083 – 1084 1085 1086

Alfonso VI ('the Brave') (r. 1077–1109)

Events

• Sancho I of Aragon conquers Graus.
• Alfonso VI of Castile conquers Talavera de la Reina.
• Bosnia is conquered by Duklja.
• June – Pope Gregory VII is besieged in Castel Sant'Angelo by Henry IV, Holy Roman Emperor.