1100s

The 1100s was a decade that began on 1 January 1100, and ended on 31 December 1109. It is distinct from the decade known as the 111th decade which began on January 1, 1101 and ended on December 31, 1110.

Millennium:	2nd millennium
Centuries:	11th century – 12th century – 13th century
Decades:	1070s 1080s 1090s – 1100s – 1110s 1120s 1130s
Years:	1100 1101 1102 1103 1104 1105 1106 1107 1108 1109
Categories:	Births – Deaths – Architecture Establishments – Disestablishments

Events and trends

• The Ancient Pueblo Peoples culture rises (approximate date).
• The great Buddhist centre of learning at Nalanda is destroyed by invaders.
• The city of Cusco, Peru is founded.
• Emperor Huizong of Song starts to rule in China.
• 1102 Bolesław III becomes king of Poland.
• The Hohenbaden castle is built in Baden-Baden, Germany.
• 1104 The volcano Hekla erupts in Iceland, destroying settlements.
• 1107 Emperor Toba ascends the throne of Japan.