Events in History
- Jan 10 1st sitting of "Vurige Chamber" in Paris
- Feb 2 Edward Seymour, Duke of Somerset, freed
- Feb 7 Giovanni Maria del Monte elected Pope Julius III
- Mar 24 France & England sign Peace of Boulogne
- Apr 2 Jewish physician Joseph Hacohen expelled from city of Genoa, all Jews soon after
- Apr 28 Powers of Dutch inquisition extends
Birthdays in History
- Jan 31 Henry I, Duke of Guise, French Catholic leader, born (d. 1588)
John Napier
Feb 1 John Napier, Scottish mathematician and inventor (logarithms), born in Edinburgh, Scotland (d. 1617)

John Napier
- Apr 12 Edward de Vere, 17th Earl of Oxford, Lord Great Chamberlain of England, born in Hedingham Castle, Essex, England (d. 1604)
- May 25 Camillus de Lellis, Italian soldier/monastery founder/saint
- Jun 27 Charles IX, King of France (1560-74)
- Jun 28 John Drusius, Flemish hebrew translator
- Aug 16 Carolus Gallus [Karel de Haan], Dutch lawyer, pastor and vicar, born in Arnhem, Netherlands (d. 1606)
- Sep 10 Alonso de Guzmán El Bueno, 7th Duke of Medina Sidonia, Spanish Armada commander (d. 1615)
- Sep 17 Pope Paul V [Camillo Borghese], 233rd pope (1605-21) and persecutor of Galileo, born in Rome (d. 1621)
- Sep 30 Michael Maestlin, German mathematician (d. 1631)
- Oct 4 Charles IX, King of Sweden
- Oct 15 Henry, earl of Nassau-Dillenburg/brother of William of Orange
- Nov 6 Karin Månsdotter, Queen of Sweden, born in Stockholm, Sweden (d. 1612)
- Dec 22 Cesare Cremonini, Italian professor of natural philosophy, born in Cento, Papal States (d. 1631)
Deaths in History
- Mar 8 Juan de Dios, Port/Sp saint (Brothers of Mercy), dies at 55
- Apr 12 Claude of Lorraine, duke of Guise, dies at 53
- May 18 John, Cardinal of Lorraine, French churchman, dies at 52
- May 20 Ashikaga Yoshiharu, Japanese shogun (b. 1510)
- Jun 13 Veronica Gambara, Italian poet, dies at 64
- Jul 30 Thomas Wriothesley, 1st Earl of Southampton, English politician (b. 1505)
- Aug 28 Nicolas Perrenot de Granvelle, Charles V's asst sec of state, dies
- Sep 8 Hans [Johann] Vischer, German count of Johann Cicero, dies
- Oct 23 Tiedemann Giese, Polish Catholic bishop (b. 1480)
- Nov 6 Ulrich, Duke of Württemberg (b. 1487)
- Nov 7 Jon Arason, the last Roman Catholic bishop of Iceland prior to the reformation, beheaded in Skalholt with his two sons Are and Bjorn. (b. 1484)
- Dec 6 Pieter Coecke van Aelst, Flemish painter, dies at 48
- Dec 22 Richard Plantagenet (Richard of Eastwell) possibly a son of Richard III