Troops led by Estonian resistance fighter Lembitu of Lehola destroy a garrison of missionaries in the historical Estonian region of Sakala, and raid the Russian town of Pskov.
Mongol forces under Genghis Khan invade Jin China, aiming at this stage simply to loot the countryside. A Chinese army is defeated and slaughtered at the Battle of the Badger's Mount near Zhangjiakou and another is beaten at Mukden, where the city is taken. Beijing is also besieged by the Mongol hordes.
The church in the French city of Reims burns down; soon after, construction begins on the Notre Dame de Reims Cathedral.