1521 On this day in history birth of sixtus V, [Felice Peretti/"Montalto"], bishop of Fermo/Pope (1585-90)
1533 Erik XIV Wasa, king of Sweden (1560-69) was born on December - 13.
1553 Henry IV, 1st Bourbon-king of Navarre/France (1572/89-1610) was born on this day in history.
1585 On this day in history birth of william Drummond of Hawthornden, Scottish poet (d. 1649)
1640 On December - 13 birth of robert Plot, English naturalist (d. 1696)
1662 On this day in history birth of francesco Bianchini, Italian philosopher and scientist (d. 1729)
1678 Yongzheng Emperor of China (d. 1735) was born on December - 13.
1720 On this day in history birth of carlo Gozzi, Italian dramatist (d. 1804)
0838 On this day in history pippijn I, King of Aquitania, dies
1048 Al-Biruni, Arabic royal astrologer, dies at 74 on December - 13.
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 On December - 13 maimonides, Jewish philosopher/talmudic scholar, dies in Cairo at 69
1250 On December - 13 frederick II, German Emperor (1212-1250), dies at 55
1404 Albrecht, duke of Bavaria, dies at 74 on December - 13.
1466 On this day in history death of donatello, Florentine artist and sculptor (b. 1386)