Died in 1584

Jan 4 Tobias Stimmer a Swiss painter and illustrator. His most famous work is the paintings on the Strasbourg astronomical clock. He died in Strasbourg
Jan 30 Pieter Pourbus Jansz. Pourbus was a Dutch-born Flemish Renaissance painter
Feb 18 Antonio Francesco Grazzini an Italian author.
Mar 10 Thomas Norton an English lawyer, politician, writer of verse — but not, as has been claimed, the chief interrogator of Queen Elizabeth I.
Mar 28 Ivan the Terrible the Grand Prince of Moscow from 1533 to 1547 and Tsar of All the Russias from 1547 until his death. His long reign saw the conquest of the Khanates of Kazan, Astrakhan, and Siberia, transforming Russia into a multiethnic and multiconfessional state spanning almost one billion acres, approximately 4,046,856 km2. Ivan managed countless changes in the progression from a medieval state to an empire and emerging regional power, and became the first ruler to be crowned as Tsar of All the Russians
Apr 27 Mikołaj "the Red" Radziwiłł a Lithuanian noble , Count Palatine of Vilnius, Grand Chancellor of Lithuania, and Grand Lithuanian Hetman in the Grand Duchy of Lithuania and later in Polish-Lithuanian Commonwealth. Together with his cousin Mikołaj "the Black" Radziwiłł and the Radziwill family were granted title and position as Reichsfürst Prince of the Holy Roman Empire
May 18 Ikeda Motosuke a samurai commander in the Sengoku period. He was the first son of Ikeda Tsuneoki. His young brother was Ikeda Terumasa
May 26 Samuel Zborowski a Polish military commander and a notable member of the szlachta. He is best remembered for having been executed by supporters of the Polish king Stefan Batory and chancellor Jan Zamoyski; an event which caused much uproar among the contemporary Polish nobility
Jun 10 Francis Duke of Anjou the youngest son of Henry II of France and Catherine de' Medici.
Jul 10 William the Silent the main leader of the Dutch revolt against the Spanish Habsburgs that set off the Eighty Years' War and resulted in the formal independence of the United Provinces in 1648. He was born in the House of Nassau as Count of Nassau-Dillenburg. He became Prince of Orange in 1544 and is thereby the founder of the branch House of Orange-Nassau and the ancestor of the monarchy of the Netherlands
Jul 12 Steven Borough born at Northam, Devon.
Jul 14 Balthasar Gérard the assassin of the Dutch independence leader, William I of Orange. He killed William I in Delft on 10 July 1584, by shooting him twice with a pistol, and was afterwards tried, convicted, and gruesomely executed
Jul 23 John Day (printer) an English Protestant printer. He specialised in printing and distributing Protestant literature and pamphlets, and produced many small-format religious books, such as ABCs, sermons, and translations of psalms. He found fame, however, as the publisher of John Foxe's Actes and Monuments, also known as the Book of Martyrs, the largest and most technologically accomplished book printed in sixteenth-century England
Aug 1 Marcantonio Colonna an Italian general and admiral.
Aug 22 Jan Kochanowski a Polish Renaissance poet who established poetic patterns that would become integral to the Polish literary language.
Nov 3 Charles Borromeo the cardinal archbishop of Milan from 1564 to 1584. Among the great reformers of the troubled sixteenth century, Borromeo, with Ignatius of Loyola, Philip Neri, and others, led the movement to combat the inroads of the Protestant Reformation. He was a leading figure during the Counter-Reformation and was responsible for significant reforms in the Catholic Church, including the founding of seminaries for the education of priests. He is honoured as a saint in the Catholic Church and his feast day is 4 November
Dec 26 Giovanni Francesco Commendone an Italian Cardinal and papal nuncio.