11th century

The 11th century was defined by the calendar of Earth as occurring from the year 1001 through the year 1100.
== Events ==
* On Earth, Irish warriors led by King Brian Boru defeat invading Vikings at the Battle of Clontarf. Brian Boru is killed by the Vikings during the battle. ()
==Appendicies==
===Background information===
* The First Crusade was fought during this century. 
===External links ===
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nl:11e eeuw