1The name of two kings of England and two of Great Britain and Ireland.

1. 1.1 William I (c.1027–87), reigned 1066–87, the first Norman king of England; known as William the Conqueror. He invaded England and defeated Harold II at the Battle of Hastings (1066). He introduced Norman institutions and customs (including feudalism) and instigated the Domesday Book.
   威廉一世（约1027-1087, 1066-1087年在位，英格兰的第一位诺曼国王；通称“征服者威廉”；他入侵英格兰，并在黑斯廷斯战役[1066]中打败哈罗德二世；引进包括封建主义在内的诺曼制度和习俗，并策划编制了《末日审判书》）
2. 1.2 William II (c.1060–1100), son of William I, reigned 1087–1100; known as William Rufus. William crushed rebellions in 1088 and 1095 and also campaigned against his brother Robert, Duke of Normandy (1089–96), ultimately acquiring the duchy. He was killed by an arrow while out hunting.
   威廉二世（约1060-1100，威廉一世之子，1087-1100年在位；通称“红脸威廉”；他镇压了1088年和1095年的叛乱，也讨伐了其弟诺曼底公爵罗伯特[1089-1096]，并最终获得其公爵领地；后在外出打猎时被暗箭射死）
3. 1.3 William III (1650–1702), grandson of Charles I, husband of Mary II, reigned 1689–1702; known as William of Orange. In 1688 he deposed James II at the invitation of disaffected politicians and, having accepted the Declaration of Rights, was crowned along with his wife Mary.
   威廉三世（1650-1702，查理一世的孙子，玛丽二世的丈夫，1689-1702年在位；通称“奥兰治的威廉”；1688年应心怀不满的政客的要求废黜了詹姆士二世，接受《权利法案》，与其妻玛丽一起获得加冕）
4. 1.4 William IV (1765–1837), son of George III, reigned 1830–7; known as the Sailor King. Having served in the Royal Navy, he came to the throne after the death of his brother George IV. In 1834 he intervened in political affairs by imposing the Conservative Robert Peel as prime minister, despite a Whig majority in Parliament.
   威廉四世（1765-1837，乔治三世之子，1830-1837年在位；通称“水手国王”；曾在英国皇家海军服役，在其兄乔治四世去世后继任王位；1834年他干预政事，不顾议会大多数议员为辉格党党员的事实，强行任命保守党人罗伯特·皮尔为首相）