Your question is categorised as "Australia Natural Disasters".
Therefore the correct answer is: The Great Roper River Flood.
Find out more by following the related link below.
* On 12 March 1921, Edith Cowan became the first female parliamentarian in Australia. She was elected to the Western Australian Legislative Council. * On 31 March 1921, The Royal Australian Air Force was established as an independent air force, after beginning in March 1912 as the Australian Flying Corps. * 22 March 1921 saw one of its earliest public civilian tragedies, when a gunman shot and killed New South Wales MP Percy Brookfield, who was trying to subdue the gunman at the train station in Riverton, South Australia. * On 9 May 1921, Australia was awarded responsibility for the administration of the Territory of New Guinea. * On 13 November 1921, Australian cartoon character Ginger Meggs, drawn by cartoonist Jimmy Bancks, debuted in a Sunday Sun comic strip "Us Fellers". * Australia defeated England in test cricket, in The Ashes series.
On Friday, 13 January 1939, a firestorm swept across southern Victoria, killing 71. In what came to be known as "Black Friday", the townships of Narbethong, Noojee, Woods Point, Nayook West and Hill End were burnt to the ground while Warrandyte, Yarra Glen, Omeo and Pomonal were badly damaged, as were settlements in the Yarra Ranges, such as Toolangi, Matlock, Rubicon, the Acheron valley, Tanjil and Thomson valleys and Warburton. On 26 April 1939, Australia's longest serving Prime Minister, Sir Robert Gordon Menzies, became Prime Minister for the first of his terms. On 18 April he was elected leader of the United Australia Party following the death of Joseph Lyons eleven days earlier. On 3 September 1939 Australian Prime Minister, Robert Gordon Menzies, announced that Australia was at war with Germany. Australian actor and comedian, Paul Hogan, was born on 8 October 1939, in the north-western New South Wales town of Lightning Ridge.
It is very hard to answer this question as many things happened in that year of Australia, ranging from new sport teams/victories to the Great Depression of 1930, which also affected Australia.
Here is a link that may be helpful though:
http://en.wikipedia.org/wiki/1930_in_Australia
For much of the 1940s, Australia was engage in World War II. After the war there was a large influx of foreigners and foreign investment.
The Battle of Britain and the Blitz.
WW 2
Nothing
there was racism
Battle for Australia happened in 1942.
During the1930s and 1940s, Australia's prime ministers were:James Scullin, 1929-32Joseph Lyons, 1932-39Earle Page, 1939Robert Menzies, 1939-41Arthur Fadden, 1941John Curtin, 1941-45Francis (Frank) Forde, 1945Benedict (Ben) Chifley, 1945-49Robert Menzies, 1949-66
1940s
WW 2
Nothing
there was racism
No the latest meteor to hit was 2004 Australia .
cuz the southsiders r the best
World War 2 was a pretty major event.
nothing. edward teller made several unsuccessful design attempts. nothing happened until the 1950s.
1000000000:)
why did italians come to Australia
Battle for Australia happened in 1942.
no