The great depression Australia Luca D'Argenio By carltonnorth56 Period: Jan 1, 1920 to Dec 31, 1939 The great depression Oct 31, 1929 wall street stock exchange crashes Due to financial probems, the wall street stock exchange crashes. Nov 1, 1929 govenment spending cuts Jun 1, 1931 Australian economy suffers Mar 19, 1932 Sydney harbour bridge opened Dec 31, 1932 unemployment peaks Dec 31, 1939 economy starts to recover