Events

• Romans de mondana vida of Folquet de Lunel written
• A bloody incident marred the feast of the Ascension in B ziers and the troubadour Joan Esteve composed Quossi moria to lament it.
• Paolo Lanfranchi da Pistoia composes Valenz Senher, rei dels Aragones for Peter III of Aragon during the height of the War of the Sicilian Vespers

Births

Deaths

• Sturla r arson (born 1214), Icelandic politician/chieftain and writer; author of slendinga saga
• Alfonso X of Castile (born 1221), Castilian monarch and writer of Galician-Portuguese lyrics