Australia have fought in;
- Colonial period, 1788–1901
- Sudan, March–June 1885
- South African War (Boer War), 1899–1902
- China (Boxer Rebellion), 1900–01
- First World War, 1914–18
- Second World War, 1939–45
- Occupation of Japan, 1946–51
- Korean War, 1950–53
- Malayan Emergency, 1950–60
- Indonesian Confrontation, 1963–66
- Vietnam War, 1962–75
- Iraq: the First Gulf War, 1990–91
- Afghanistan, 2001–present
- Iraq: the Second Gulf War, 2003–09
- Peacekeeping, 1947–present