(born July 24, 1759, Turin, Kingdom of Sardiniadied Jan. 10, 1824, Moncalieri, near Turin) King of Sardinia (1802–21). Son of Victor Amadeus III and great-grandson of Victor Amadeus II, he led Sardinian forces against the French (1792–97). He became duke of Savoy and king of Sardinia in 1802 when his brother Charles Emmanuel IV abdicated. His kingdom, except for the island of Sardinia, was occupied by France (1802–14), then restored with the addition of Genoa by the Congress of Vienna (1815). He abdicated in 1821 in favour of his brother Charles Felix (1765–1831).