19th » Beginning of the Protestant Reformation: After the Second Diet of Speyer bans Lutheranism, a group of rulers ('German language German:' Fürst) and independent cities ('German language German:' Reichsstadt) Protestation at Speyer protests the reinstatement
22nd » Treaty of Zaragoza divides the eastern hemisphere between Spain and Portugal along a line 297.5 leagues or 17° east of the Moluccas.
Famous Birthdays on April in 1529
3rd » Michael Neander, German mathematician and astronomer (d. 1581)