- Feb 22 Simon de Brion elected Pope Martinus IV
Event of Interest
May 21 Kublai Khan's second invasion of Japan begins with an attack on Tsushima Island but meets fierce resistance; his troops are forced to withdraw
- May 27 Flemish Earl Gwijde Dampierre takes financial responsibility of Brugge
Letter from Kublai Khan to the Japanese Emperor
Aug 14 During Kublai Khan's second Mongol invasion of Japan his invading Chinese fleet of 3,500 vessels disappears in a typhoon near Japan
