19th Century Australian Events By cyla14 Mar 4, 1804 Battle of Vinegar Hill Period: Mar 4, 1804 to Feb 28, 1900 Important Events in Australia in the 19th Century Jan 1, 1808 The Rum Rebellion (Unknown date exact) Mar 22, 1813 Blaxland, Lawson and Wentworth crossed the Blue Mountains (Date Unknown Exact) Mar 22, 1813 Matthew Flinders reffert to New South Wales by the name "Australia" (Date Unknown Exact) Mar 22, 1817 Bank of New South Wales Opens (Date Unknown Exact) Opened in Maquarie Place, Sydney and became Westpac in 1982.