1521 Sixtus V, [Felice Peretti/"Montalto"], bishop of Fermo/Pope (1585-90) was born on this day in history.
1533 Erik XIV Wasa, king of Sweden (1560-69) was born on this day in history.
1553 On December - 13 birth of henry IV, 1st Bourbon-king of Navarre/France (1572/89-1610)
1585 On December - 13 birth of william Drummond of Hawthornden, Scottish poet (d. 1649)
1640 On this day in history birth of robert Plot, English naturalist (d. 1696)
1662 Francesco Bianchini, Italian philosopher and scientist (d. 1729) was born on this day in history.
1678 On December - 13 birth of yongzheng Emperor of China (d. 1735)
1720 Carlo Gozzi, Italian dramatist (d. 1804) was born on this day in history.
0838 Pippijn I, King of Aquitania, dies on this day in history.
1048 On December - 13 al-Biruni, Arabic royal astrologer, dies at 74
1124 On this day in history callistus II, [Guido di Borgogna], Italian Pope (1119-24), dies
1126 On this day in history hendrik IX, the Black, Duke of Bayern (1120-26), dies
1204 Maimonides, Jewish philosopher/talmudic scholar, dies in Cairo at 69 on this day in history.
1250 Frederick II, German Emperor (1212-1250), dies at 55 on December - 13.
1404 Albrecht, duke of Bavaria, dies at 74 on December - 13.
1466 On December - 13 death of donatello, Florentine artist and sculptor (b. 1386)