1901 Proclamation of the Commonwealth of Australia
1975 Office of Australian War Graves established
1941 1941 75th Anniversary of the Battle of Bardia, Libya
1940 Australian Comforts Fund re-established
1941 1941 - Anniversary of the arrival of 8th Division troops in Singapore
1901 Formation of Commonwealth Army and Navy forces
1904 First Defence Act passed by Federal Parliament
1918 Establishment of Repatriation Department
1915 Order for the first movement of troops to Gallipoli comes through for an April 23 landing but later delayed to 25 April due to poor weather.
1941 Evacuation of Greece begins marking the end of the ill-conceived Greek campaign which lasted only three weeks.
1915 ANZAC Day
1965 Prime Minister Menzies announces that Australia has committed an Australian Infantry battalion to the War in Vietnam
1940 Australia declared war on Italy
1950 Australia commits military units to the United Nations Force in Korea
1945 Prime Minister John Curtin led Australia through the Second World War and died in office in 1945
1940 The Volunteer Defence Force (VDC), composed mainly of First World War veterans, was formed for home defence by the RSL
1917 Four members of the Australian Army Nursing Service, Sisters Cawood, Deacon and Ross-King and Staff Nurse Derrer, won Military Medals
1938 The Australian National War Memorial opened at Villers-Bretonneux, France
1916 The Battle for Pozières Village commenced on the 23 July 1916 and continued through to 29 July
1942 Townsville bombed by Japanese aircraft
1914 Andrew Fisher promises Britain "last man and shilling"
1914 Joseph Cook "When the Empire is at war, so is Australia at War."
1944 Mass breakout of Japanese prisoners at Cowra prisoner-of-war camp, NSW
1914 1st War Premiers' Conference
1914 Voluntary recruitment for the First AIF begins
1941 The Australian Women's Army Service was established to release men from certain military duties for service with fighting units
1916 Official inauguration of the Australian Comforts Fund
1915 Britain, France, Australia, and New Zealand declare war on Germany
1914 Australian Forces occupy German New Guinea
1918 Amman, Palestine Captured by the Anzac Mounted Division in the final days of fighting the Turkish armies in Palestine
2001 Prime Ministerial announcement of Australia's commitment to the War of Terrorism, Op SLIPPER
1916 First Conscription referendum of World War One
1964 Government announced conscription (to be known as National Service) was to be enacted for expansion of the Army (1964)
1943 Sergeant T.C. Derrick DCM, 2/48th Battalion, is awarded the Victoria Cross at Sattelberg, New Guinea.