1104

1104 (MCIV) was a leap year beginning on Friday of the Julian calendar.

Events

• Eruption of the Hekla Volcano in Iceland.
• Alfonso I de Aragón becomes king of Aragon and Navarre.
• Balduino I of Jerusalem captures Acre.

Births

• Fujiwara no Kiyosuke, Japanese noble and poet.

Deaths

• September 28: Pedro I de Aragón.
• Duqaq, Seljudic ruler of Damascus.