An onomastic calendar: December

• December 1: Anna Komnene was born in 1083.
• December 2: Gerard Mercator died in 1594.
• December 3: Berengar I was crowned Holy Roman Emperor in 915.
• December 4: Theobald II of Navarre died in 1270.
• December 5: Pope Julius II was born in 1443.
• December 6: Baldassare Castiglione was born in 1478.
• December 7: Saint Columba was born in 521.
• December 8: Mary Queen of Scots was born in 1542.
• December 9: Malcolm IV of Scotland died in 1165.
• December 10: Afonso de Albuquerque conquered Goa in 1510.
• December 11: Llywellyn, last sovereign Prince of Wales, died in battle in 1282.
• December 12: Stephen Báthory, king of Poland, died in 1586.
• December 13: Pope Celestine V resigns the papacy in 1294.
• December 14: James V of Scotland died in 1542.
• December 15: Basil II, emperor of the Byzantine Empire, died in 1025.
• December 16: Henry VI was crowned king of France in 1431.
• December 17: William I Longsword was assassinated in 942.
• December 18: Theodulf of Orleans died in 821.
• December 19: Agnes, Duchess of Burgundy, died in 1327.
• December 20: Margaret of Provence, queen of France, died in 1295.
• December 21: Pope Honorius II was elected in 1124.
• December 22: Stephen of Blois was crowned king of England in 1135.
• December 23: Berengaria of Navarre, Queen of England, died in 1230.
• December 24: Constance of Austria, queen of Poland, was born in 1588.
• December 25: Merry Christmas!
• December 26: Arthur III of Brittany died in 1458.
• December 27: German mathematician Johannes Kepler was born in 1571.
• December 28: Alaric II became king of the Visigoths in 484.
• December 29: Thomas Beckett was murdered in 1170.
• December 30: Vasily I of Moscow was born in 1371.
• December 31: Eleonora Gonzaga was born in 1493.