Pope Gregory X decrees that conclaves (meetings during which the electors have no contact with the outside) should be used for papal elections, reforming the electoral process which had taken over 3 years to elect him.
Bonvesin de la Riva writes the didactic-allegoric poemet Libro de le tre scritture (Negra, Rubra, Aurea), the first text in ancient Western Lombard language (still similar to other Gallo-Italian languages), and one of the first great literary works in Italy. It tells about Hell, Christ's Passion and Paradise; this plot suggests Dante in his Comedia.
Asia
November 20 - The Mongol Empire attempts the first of several invasions of Japan (30,000 soldiers and support personnel sails from Korea); after the Mongols capture outlying islands, they are repulsed on the main island at the Battle of Bun'ei by amassed Japanese warriors and a strong storm which batters their forces and fleet. Credit for the storm — called a kamikaze, or divine wind — is given by the Japanese to the god Raiden.