Frederick V known as the Winter King (1596-1632) was the Elector palatine of the Rhine 1610-1623 and king of Bohemia 1619-1620 (for one winter, hence the name "winter king"), having been chosen by the Protestant Bohemians as ruler after the deposition of Catholic emperor Ferdinand II.
His selection was the cause of the Thirty Years' War. Frederick was defeated at the Battle of the White Mountain, near Prague, in November 1620 by the army of the Catholic League, and fled to Holland. He was the son-in-law of James I of England.
Why is Frederick V famous?
Frederick V was the Elector palatine of the Rhine 1610-1623 and king of Bohemia 1619-1620.