Famous Deaths
- Apr 14 Christoffel Palts, German general strategist, dies in battle
- Apr 14 Hendrik, count of Nassau-Dillenburg, dies in battle
- Apr 14 Louis, earl of Nassau-Dillenburg, dies in battle at 35
- Apr 17 Joachim Camerarius [Liebhard Kammerer], German classical scholar, dies at 74
- Apr 21 Cosimo de Medici, Italian duke of Toscane, dies at about 54