Major Events
- Jan 7 Last day of the Julian calendar in Bohemia and The Holy Roman Empire
- Jan 17 Bohemia adopts Gregorian calendar
- Jan 22 Parts of Switzerland adopt Gregorian calendar (& parts in 1812)
- Mar 25 English explorer Walter Raleigh granted seven-year royal charter by Elizabeth I to explore and colonize North America, after Humphrey Gilbert's death at sea
- Apr 7 Ieper surrenders to Duke of Parma
- May 16 7 Westfriese towns divide monasteries of Egmond, Blokker and St Pietersdal
- May 30 Earl Adolf of Nieuwenaar and Meurs becomes viceroy of Gelderland
- Jul 10 Spanish army leader Richebourg conquers Liefkenshoek, Belgium
- Sep 15 San Lorenzo del Escorial Palace in Madrid finished
- Sep 17 Gent surrenders to Duke of Parma
- More 1584 Events
Frederick Henry
Ivan the Terrible
William I of Orange
Elizabeth I
Philip II of Spain