Jubilee Year proclaimed ("Antiquorum habet fide") by Pope Boniface VIII.
Edward I invades Scotland.
Wenceslas II of Bohemia elected king of Poland.
Guillaume de Machaut (French poet and composer) is born
Development of Chinese Drama.
"Aucassin et Nicolette," (famous French love story) is written.
Temporary end of European slave trade.
Also, it might be the beginning of the 14th century but some people will argue that that's next year.