sentences:  In 1945, King George VI offered Churchill to make him the "Duke of Dover" – the first non-royal dukedom to be created since 1874 – as well to become a Knight of the Garter; however, Churchill turned down both.Since 1900, only members of the British royal family have been made dukes, so the offer was exceptional.In 1955, after retiring as prime minister, Churchill was offered again by Queen Elizabeth II for elevation to the peerage in the rank of duke.