Princess Augusta of Cambridge Duchess of Mecklenburg-Strelitz died on 5 December 1916 in Neustrelitz and was buried in Mirow. As the longest-lived grandchild of George III, she was the last link to the British branch of the House of Hanover. At the time of her death, she was 94 years, 4 months and 16 days old, making her the longest-lived British Princess of the Blood Royal until Princess Alice, Countess of Athlone, a male-line granddaughter of Queen Victoria, broke the record in 1977, aged over 97 years old. As a male-line granddaughter of the British monarch, she was a princess of the United Kingdom
House of Hanover to go into exile in Austria. The 1866 rift between the House of Hanover and the House of Hohenzollern was settled only by the 1913 marriage of Princess Viktoria Luise of Prussia to Ernest Augustus, Duke of Brunswick, the last king's grandson. At the end of the Thirty Years' War, the Peace of Westphalia (1648) awarded the Prince-Bishopric of Osnabrück alternately to a Catholic bishop and to a cadet branch of Brunswick-Lüneburg. Since the treaty gave cadets priority over heirs and reigning princes, Osnabrück became a form of appanage (in alternation) of the House of Hanover. Osnabrück was mediatized to