Year 1303 (MCCCIII) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar. Events of 1303 24 February – Battle of Roslin: The Scots defeat the English. 20 April: Pope Boniface VIII founds the University of Rome La Sapienza. October 22 – Pope Benedict XI succeeds Pope Boniface VIII as the 194th pope. Undated Edward I of England reconquers Scotland (see also: William Wallace, Wars of Scottish Independence). The Khilji Dynasty under Al… (More on 1303)