1209

Events 
 Albigensian Crusade against Cathars (1209-1218)
 the Franciscans are founded
 Cambridge University founded.
 London Bridge completed
 In August, Simon De Monfort, leader of Albigensian Crusade, takes over Carcassonne
 Genghis Khan conquers Turkestan

 Births 
 January 5 – Richard, Earl of Cornwall, Holy Roman Emperor (died 1272)
 Hajji Bektash Wali, Turkish mystic (died 1271)

 Deaths 
 November 12 – Phillipe de Plessis, Grand Master of the Knights Templar (born 1165)
 Walter Map, Welsh writer (born 1137)
 Fakhr al-Din al-Razi, Persian theologian and philosopher (born 1149)