An Onomastic Calendar: May

• May 1: Mathilda of Scotland died in 1118.
• May 2: Anne Boleyn was arrested for treason in 1536.
• May 3: Cecily Neville, Duchess of York, was born in 1415.
• May 4: John Wyclif and Jan Hus are condemned as heretics at the Council of Constance in 1415.
• May 5: Gerberga of Saxony died in 968/9 or 984.
• May 6: Dieric Bouts, Dutch painter, died in 1475.
• May 7: Remigius de Fécamp died in 1059.
• May 8: Pope Saint Benedict II died in 685.
• May 9: Hernando de Alarcón set sail for the Gulf of California in 1540.
• May 10: Emperor Claudius Gothicus was born in 210.
• May 11: Anne of Bohemia, queen consort of England, was born in 1366.
• May 12: Berengaria of Navarre was crowned queen of England in 1191.
• May 13: Julian of Norwich experienced her mystical visions in 1373.
• May 14: Simon de Montfort became de facto ruler of England in 1264.
• May 15: Mary Queen of Scots married her third husband, James, Earl of Bothwell, in 1567.
• May 16: Baldwin I was crowned Latin emperor of Constantinople in 1204.
• May 17: Anne of Denmark was crowned queen of Scotland in 1590.
• May 18: Eleanor of Aquitaine married Henry II of England in 1152.
• May 19: Saint Alcuin of York died in 804.
• May 20: Abraham Ortelius issued the first modern atlas in 1570.
• May 21: Albrecht Dürer was born in 1471.
• May 22: Saint Rita of Cascia died in 1457.
• May 23: Girolamo Savonarola was burned to death in 1498.
• May 24: Magnus Ladulås was crowned king of Sweden in 1276.
• May 25: Pope Boniface IV died in 615.
• May 26: Saint Augustine of Canterbury died in 604.
• May 27: Ludovico Sforza died in 1508.
• May 28: Caterina Sforza died in 1509.
• May 29: Philip VI was crowned king of France in 1328.
• May 30: Jerome of Prague was burned for heresy in 1416.
• May 31: Manuel I of Portugal was born in 1469.