the great depresion in australia eliza and clare By carltonnorth56 Period: Jan 1, 1920 to Dec 31, 1939 the great depresion Oct 31, 1929 the wallstreet stock extange crashes due to finacial problems the wallstreet stock extange crashes Nov 1, 1929 government spending cuts Jun 1, 1931 australian economy suffers Dec 31, 1931 unemployment peaks May 3, 1936 sydney harbour bridge opened Dec 31, 1939 economy starts to recover