Portal:Military history of Australia/Units/September 18

HMAS Australia (1911) was an Indefatigable-class battlecruiser and the first flagship of the Royal Australian Navy. She was laid down at Glasgow in Scotland on 26 June 1910, launched on 25 October 1911, completed and commissioned at Portsmouth on 21 June 1913, and sailed for Australia on 21 July 1913. Australia saw action during World War I first in the Pacific and then as the flagship of the 2nd Battle Cruiser Squadron, based in Portsmouth. Australia was present for the surrender of the German High Seas Fleet on 21 November 1918. Australia was paid off on 12 December 1921 and, in accordance with the terms of the Washington Naval Treaty, was sunk with her main armament 24 miles from Sydney on 12 April 1924.