Ceased hostilities: 11 November 1918 (armistice with Germany).Entered the war: 4 August 1914 (British Empire declared war on Germany).Prime Minister Lloyd George (5 December 1916 – 22 October 1922).Head of State: King George V ( – 20 January 1936).Capital: London (1914 population of Greater London 7.1 million ‘Inner London’ 4.5 million).Population: 46 million (including 4.3 million in Ireland).Click on map for more detail General facts
