1100

1100 (MC) was a leap year starting on Sunday in the Julian calendar.  It was the last year of the 11th century.  In the proleptic Gregorian calendar, it was an exceptional common year starting on Monday.

 Events 
 August 5 – Henry I crowned King of England in Westminster Abbey

 Births 
 May 23 – Emperor Qinzong of China (d. 1161)
 Mary and Eliza Chulkhurst, English conjoined twins (died 1134)
 Gilbert de Clare, 1st Earl of Pembroke (died 1148)

 Deaths 
 August 2 – William II of England