TDIH - February 13 This Day in (Medieval) History: February 13 721 – Death of Chilperic II, King of the Franks. 858 – Death of Kenneth MacAlpin, King of the Picts. 921 – Death of Duke Vratislaus I of Bohemia. 942 – Death of Muhammad ibn Ra'iq, Abbasid Emir. 962 – The Diploma Ottonianum was signed by Emperor Otto I and Pope John XII, whereby Rome was placed under Papal control. 988 – Death of Adalbert Atto, Count of Canossa. 1021 – Death of Al-Hakim bi-Amr Allah, Fatimid caliph. 1130 – Death of Pope Honorius II. 1141 – Death of Béla II, King of Hungary and Croatia. 1199 – Death of Stefan Nemanja, ruler of the Serbian Grand Principality. 1332 – Death of Andronikos II Palaiologos, Byzantine Emperor. 1462 – The Treaty of Westminster was signed by King Edward IV of England and John of Islay, Earl of Ross, providing for the division of Scotland if it was conquered by the English. 1457 – Birth of Mary of Burgundy, who later inherited the extensive lands of her father Duke Charles of Burgundy and became the wife of Holy Roman Emperor Maximilian I. 1480 – Birth of Girolamo Aleandro, Italian Cardinal.