Clement Richar Attlee, 1st Earl Attlee, KG, OM, CH, PC (3 January 1883 – 8 October 1967) was Prime Minister of the United Kingdom from 1945 to 1951. The Labour Party under Attlee won a landslide election victory over Winston Churchill immediately after Churchill had led Britain through World War II. He was the first Labour Prime Minister to serve a full Parliamentary term and the first to have a majority in Parliament.