1389 Cosimo de' Medici, ruler of Florence (d. 1464) was born on this day in history.
1512 On April - 10 birth of james V, king of Scotland (1513-42)
1569 Emilia van Nassau, daughter of Willem of Orange & Anna of Saxon was born on this day in history.
1583 On April - 10 birth of hugo Grotius, Holland, jurist, father of international law
1633 Werner Fabricius, composer was born on this day in history.
1651 Ehrenfried Walther von Tschirnhaus, German mathematician (d. 1708) was born on April - 10.
1656 René Lepage de Ste-Claire, lord-founder of the town of Rimouski, in New France (d. 1718) was born on April - 10.
1695 On this day in history birth of balthazar Huydecoper, Dutch translator/historian
0879 Louis II, the stutterer, King of France (877-79), dies on this day in history.
0947 Hugo van Arles, count of Arles/king of Italy, dies on this day in history.
0948 On April - 10 death of king Hugh of Italy
1008 On this day in history notger, bishop of Luik (972-1008), dies
1362 On April - 10 machteld, countess of Holland, dies
1533 Frederik I, King of Denmark/Norway (1523-33), dies at 61 on April - 10.
1545 On April - 10 death of costanzo Festa, Italian composer
1585 Gregory XIII, [Ugo Buoncampagni], Italian Pope (1572-85), dies on this day in history.