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