1206

Events 
 Temujin becomes Genghis Khan of the Mongol people, he started the Mongol Empire
 Qutb ud-Din starts the Mameluk dynasty in India, the first dynasty of the Delhi Sultanate.
 Livonian Brothers of the Sword in alliance with Semigallians beats Livs
 King Valdemar II and archbishop Andreas Sunonis made a raid to Saaremaa island, Estonia. The islanders were forced to give up and the Danes built a fortress there, but they found no volunteers to stay there. They burned it down themselves and left the island.

 Births 
 Béla IV of Hungary (died 1270)
 Güyük Khan

 Deaths 
 Ikhtiyar al-Din Muhammad Bin Bakhtiyar Khalji – Founder of Muslim rule in Bengal
 April 7 – Frederick I, Duke of Lorraine
 June 4 – Adèle of Champagne, queen of Louis VII of France
 Muhammad of Ghor, Persian conqueror and sultan (born 1162)
 Jamuqa, Mongol military and political leader