April 1574 in history

Died in April 1574

Apr 14 Louis of Nassau the third son of William, Count of Nassau and Juliana of Stolberg, and the younger brother of Prince William of Orange Nassau.
Apr 17 Joachim Camerarius a German classical scholar.
Apr 21 Cosimo I de' Medici Grand Duke of Tuscany the second Duke of Florence from 1537 until 1569, when he became the first Grand Duke of Tuscany.
Apr 25 Jan Firlej a Polish nobleman , and Calvinist activist.