Historical Events In May - 15
Thursday, 16 October 2025
0392 Valentinianus II, emperor of Rome (375-392), murdered at 21 on this day in history.
0756 Abd-al-Rahman I becomes emir of Cordova Spain on this day in history.
0884 Marinus I ends his reign as Catholic Pope on May - 15.
0884 On this day in history marinus I, [Martinus II], Pope (882-84), dies
0913 Hatto I, Archbishop of Mainz on this day in history.
1004 Henry II the Saint crowned king of Italy on this day in history.
1157 On this day in history yury Dolgoruky, Russian prince
1174 On this day in history nur ad-Din Mahmud, King of Syria, dies
1213 On May - 15 english king John names Stephen Langton Archbishop of Canterbury
1248 On May - 15 archbishop Konrad v Hochstaden lays cornerstone for Koln cathedral
1252 On this day in history pope Innocent IV issues the papal bull ad exstirpanda, which authorizes, but also limits, the torture of heretics in the Medieval Inquisition.
1381 On May - 15 eppelein von Gailingen, German robber baron
1482 Paolo Toscanelli, Italian physician & mapmaker, dies on May - 15.
1492 On this day in history cheese & Bread rebellion German mercenaries kills 232 Alkmaarse
1492 Cheese & Bread rebellion: German mercenaries kills 232 Alkmaarse on May - 15.
1514 On May - 15 jodocus Badius Ascensius publishes Christiern Pedersen's Latin version of Saxo’s Gesta Danorum, the oldest known version of that work.
1525 On this day in history german boer army surrounded/slaughters 5,000; ends Boer war
1536 On May - 15 anna Boleyn & Lord Rochford accused of adultery/incest
1565 On May - 15 henrick de Keyser, architect/master builder of Amsterdam
1567 On this day in history mary, Queen of Scots marries James Hepburn, Earl of Bothwell
1567 On this day in history claudio Giovanni Antonio Monteverdi, Cremona Italy, composer (L'Orfeo)
1572 On this day in history louis van Nassau & huguenots occupy Valenciennes
1591 On May - 15 dimitri Ivanovitch, Russian son of czar Ivan IV, murdered at 9
1602 Cape Cod discovered by English navigator Bartholomew Gosnold on May - 15.
1610 On May - 15 louis XIII appointed King of France
1610 Parliament of Paris appoints Louis XIII (8) as French king on this day in history.
1618 Johannes Kepler discovers harmonics law on May - 15.
1621 Henrick de Keyser, Amsterdam's master builder, dies at 56 on May - 15.
1622 On this day in history peter Plancius, Flemish vicar/cartographer, dies at about 69
1625 On this day in history 16 rebellious farmers hanged in Vöcklamarkt Upper-Austria
1625 16 rebellious farmers hanged in Vocklamarkt Upper-Austria on this day in history.
1648 Treaty of Münster Spain & Netherlands ratified on May - 15.
1648 On this day in history treaty of Munster: Spain & Netherlands ratified
1648 On May - 15 treaty of Münster: Spain & Netherlands ratified
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