- 1st September 1939- Outbreak of World War 2
- 3rd September 1939- Australia declares war on Germany.
- 11th June 1940 - Australia declares war on Italy.
- 15th January 1941- The Australian Army begins actions towards the Italians in Libya.
- 30th May 1941- The brave defence of Rethymnon by Australian soldiers finally falters under intense pressure from the German Army.
- December 1941- Japanese troops advance into Malaya peninsula.
- 8th - 15th February 1942 - The fall of Singapore
- 19th February 1942- The Japanese 1st Air Fleet conducts a surprise attack on Allied ships at Broome and Darwin. 12 ships are sunk in the assault.
- 8th March 1942- Japan invades New Guinea
- 31st May 1942- Japanese submarines attack shipping in Sydney Harbour.
- May - September 1942- Kokoda and the battle of Milne Bay.
- 7th August 1942- American and Allied troops launch attack at Guadalcanal.
- 31st January 1943- Kokoda trail in Allied hands.
- January 1943- Directorate of Manpower introduced
- 14th May 1943- Australian hospital ship AHS Centaur sunk by Japanese submarine of the coast of Queensland.
- November 1943- June 1945- Australian and Allied troops move closer to Japanese islands.
- 5th August 1944- The Cowra breakout
- 14th August 1945-Armistice Day
- 15th August 1945-Atomic bomb Hiroshima
- 2nd September 1945-Japan surrenders
- 2nd September 1945- World War ended