William the Conqueror

n. 11th century king of England, William I, first Norman king of England

William I of England (William the Conqueror; c. 1028 – 9 September 1087) was a medieval monarch. He ruled as the Duke of Normandy from 1035 to 1087 and as King of England from 1066 to 1087. As Duke of Normandy, William was known as William II, and, as King of England, as William I. He is commonly referred to as William the Conqueror (Guillaume le Conquérant) or William the Bastard (Guillaume le Bâtard).
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Noun
1. duke of Normandy who led the Norman invasion of England and became the first Norman to be King of England; he defeated Harold II at the Battle of Hastings in 1066 and introduced many Norman customs into England (1027-1087)
(synonym) William I
(hypernym) King of England, King of Great Britain

GUGLIELMO IL CONQUISTATORE