1104

Millennium:	2nd millennium
Centuries:	11th century – 12th century – 13th century
Decades:	1070s  1080s  1090s  – 1100s –  1110s  1120s  1130s
Years:	1101 1102 1103 – 1104 – 1105 1106 1107

1104 Media

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  Statue of King Alfonso I (r. 1104–1134).

1104 (MCIV) was a leap year starting on Friday of the Julian calendar, the 1104th year of the Common Era (CE) and Anno Domini (AD) designations, the 104th year of the 2nd millennium, the 4th year of the 12th century, and the 5th year of the 1100s decade. As of the start of 1104, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.

Events

• September 3 – St. Cuthbert reburied in the Durham Cathedral
• The Venice Arsenal, is founded in Venice.
• Alfonso I of Aragon becomes King of Aragon and Navarre.
• Historian Guibert of Nogent becomes abbot of Notre Dame de Nogent.
• Baldwin I of Jerusalem captures Acre.
• Baldwin II, count of Edessa, is taken prisoner by the Seljuk Turks at the Battle of Harran; Tancred becomes regent.
• Kilij Arslan I, Sultan of Rüm, starts a war with the Danishmends.