1101

1101 (MCI) was a common year starting on Tuesday in the Julian calendar.  It was the first year of the 12th century.

 Events 
 A second wave of crusaders arrives in the newly established Kingdom of Jerusalem, after being heavily defeated by Kilij Arslan I at Heraclia. See Crusade of 1101.
 Raymond IV of Toulouse, count of Tripoli, takes Ankara from the Seljuk Turks.
 Robert Curthose signs the Treaty of Alton, giving up his claim to the Anglo-Norman throne and establishing Henry I as King of England.
 The County of Berg, Germany is established.
 Canute II of Denmark is canonized.