There are a total of (39) entries in the Timeline of Australia in World War 2. Entries are listed below by date of occurrence ascending.
The government of Australia declares war on Germany.
Australia declares war on Italy.
Incumbent Australian Prime Minister Robert Menzies wins reelection.
The Australian Army begins actions against the Italians in Libya.
April 10th - April 16th
Three divisions of British, Australian and New Zealand troops at the Aliakmon Line in the Vermion Mountains are defeated.
Vermion Line Allied troops are now redeployed to defensive positions around Mount Olympus.
Allied codebreakers intercept word of the impending German invasion of Crete.
April 27th - April 30th
Operation Demon is activated, covering the evacuation of some 51,000 Allied troops from southern Greece via the Royal Navy.
Allied forces based on Crete receive a new leader in the form of Major-General Bernard Freyberg.
In advance of the Crete invasion, RAF fighters are relocated to Egypt for safe-keeping.
Allied codebreakers intercept word that Operation Mercury will commence the very next day. The Allies begin preparations.
Allied flak teams destroy as many as 50% of the invading German transport planes in the first few hours of the operation.
In-air losses for the second wave of German paratroopers is nearly equal to the first thanks to the stellar Allied flak defenses on Crete.
German Army troops making their way to Crete via the sea are intercepted and pummeled by elements of the Royal Navy. Just 60 of these German soldiers live to see another day.
A German offensive against Heraklion is pushed away by at least 8,000 dug-in Allied soldiers.
Allied forces retreat to defensive positions at Galatas.
The evacuation order is given by Major-General Freyberg for the gradual withdrawel of Allied troops from the island of Crete.
Heraklion in the north and Sphakia in the south of Crete will serve as major evacuation junctions for the Allies.
The brave defense of Rethymnon by Australian soldiers finally falters under intense pressure from the German Army.
The Japanese 1st Air Fleet conducts a surprise attack on Allied ships at Broome and Darwin. Twelve ships are sunk in the assault.
Japan invades New Guinea.
Japanese forces, numbering two battalions strong, land at Lae and Salamaua in New Guinea.
Japanese Major General Horii and his 18th Army land near Buna.
The Japanese Army gain ground on the US, Australian and Papuan Infantry Regiment defenders.
Major General Horii and his 18th Army march towards Port Moresby.
The Japanese Army gains vital territory leading up and into the Owen Stanley Range.
The Japanese Army takes control of the village of Kokoda.
The Japanese Army reaches Isurava just outside of Port Moresby.
The Japanese Navy completes an amphibious landing at Milne Bay to establish a beachhead and open a second front on New Guinea.
The 18th Australian Brigade, utilizing valuable intelligence reports, meet the arriving Japanese amphibious forces head-on and hold the Japanese beachhead at Milne Bay.
A further 600 Japanese Army soldiers are landed at Milne Bay to help strengthen the beachhead.
American General Douglas MacArthur employs his superiors for additional firepower and troop strength to help hold Papua.
With the Allied resistance holding off further advance, the Japanese Army begins a formal withdrawal of the island.
Australian Army forces hold fast to territory near Toribaiwa.
Australian forces continue their march from the west against Japanese-held areas.
The Australian Army liberates the village of Gona from the hold of the Japanese Amry.
Allied Australian and US forces continued their maches against the Japanese, taking territory through fierce firefights.
Sananada is officially in Allied hands.
The Kokoda Trail is firmly in Allied hands by this date.