William III of England
King of England, Scotland, and Ireland from 1689 to 1702 (1650-1702)

William III and II (William Henry; Dutch: Willem Hendrik; 4 November 1650 – 8 March 1702), also known as William of Orange, was the sovereign Prince of Orange from birth, Stadtholder of Holland, Zeeland, Utrecht, Guelders, and Overijssel in the Dutch Republic from 1672, and King of England, Scotland, and Ireland from 1689 until his death in 1702. He ruled England, Scotland, and Ireland with his wife, Queen Mary II, until her death in 1694; their joint reign is known as that of William and Mary.
William was the only child of William II, Prince of Orange, and Mary, Princess Royal, the daughter of King Charles I of England, Scotland, and Ireland. His father died before his birth, making William III the prince of Orange from birth. In 1677, he married his first cousin Mary, the elder daughter of his maternal uncle James, Duke of York (later King James II).
When the Catholic French king Louis XIV attacked the Dutch Republic in 1672, William rose to power and became Louis's greatest obstacle. He made it his life's mission to oppose Louis and waged many campaigns against Louis's armies. He reorganised the Dutch army, restoring its effectiveness after the disasters of the Rampjaar and transforming it into one of the most experienced and professional forces in Europe. Convinced that the expansionist policies of Louis XIV threatened the European balance of power, William devoted much of his career to resisting French hegemony.
Many Protestants heralded William as a champion of their faith.
The public source identifies “William III of England” as king of England, Scotland, and Ireland from 1689 to 1702 (1650-1702). This brief keeps that definition visible, then builds a research path around William, England and King.
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Chronology provides the most reliable spine for this subject; interpretation should follow only after identities and dates are secure. The source revision retrieved here is dated Sep 20, 2026. The linked authority identifier is Q129987. The first chronological checks are 1650, 1702, 1672 and 1689.
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This entry incorporates text from “William III of England” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.