Prince Philip, Duke of Edinburgh Athens for a month in mid-1939. At the behest of the Greek king, George II, he returned to Britain in September to resume training for the Royal Navy. He graduated from Dartmouth the next year as the best cadet in his course. During the Second World War, he continued to serve in the British forces, while two of his brothers-in-law, Prince Christoph of Hesse and Berthold, Margrave of Baden, fought on the opposing German side. Philip was appointed as a midshipman in January 1940. He spent four months on the battleship HMS "Ramillies", protecting convoys of the Australian Expeditionary Force
Duchess of Edinburgh exchange letters. Their engagement was officially announced on 9 July 1947. Before the marriage, Philip renounced his Greek and Danish titles, converted from Greek Orthodoxy to Anglicanism, and adopted the style "Lieutenant Philip Mountbatten", taking the surname of his mother's British family. Just before the wedding, he was created Duke of Edinburgh and granted the style "His Royal Highness". Elizabeth and Philip were married on 20 November 1947 at Westminster Abbey. It was announced in 1999, at the time of the wedding of Prince Edward, Earl of Wessex, that he would follow his father as Duke of Edinburgh. The title