9th » Battle of Krbava Field, a decisive defeat of Croats in Croatia in the union with Hungary named Croatian struggle against the invasion by the Ottoman Empire.
26th » Pope Alexander VI issues the papal bull 'Dudum siquidem' to the Catholic Monarchs, extending the grant of new lands he made them in 'Inter caetera'
Famous Deaths for September 1493
9th » Alexander Stewart (archbishop of St Andrews) or Alexander Stewart, Scottish archbishop (b. 1493)