- May 7 2nd Council of Lyons (14th ecumenical council) opens, convened by Pope Gregory X
Letter from Kublai Khan to the Japanese Emperor
Oct 5 Around 1,000 soldiers of the Mongol army land on the Japanese island of Tsushima, the first attack of Kublai Khan's Mongol invasion of Japan
- Nov 19 Mongol army lands at Hakata Bay in Japan during their first invasion attempt and are defeated; a typhoon destroys most of their fleet as they withdraw