Timeline Of Events In Australia By kayladavis May 23, 1521 Many believe that the European discovery of Australia was by a Portugeuse expedition. May 1, 1622 English ship Tryall saw west coast of Australia but did not land May 30, 1688 English man William Dampier explored west coast of Australia. May 3, 1770 Captain James Coook discovers fertile southeast coast. Jan 18, 1788 HMS Supply anchored on northern side of Botany Bay Feb 3, 1788 Rev. Richard Johnson performed the colony's first religious service Feb 27, 1788 Thomas Barratt hanged for stealing inside stores, first execution. Feb 29, 1788 James Freeman was pardoned even though he stole flour, he became a public excecutiner. Mar 2, 1788 Phillip Gidley King explored Broken Bay. He then found and named Pittwater Jul 9, 1791 First Ship of Third Fleet arrived at Sydney Cove May 30, 1808 Rum Rebellion May 30, 1817 John Oxley charts the Lachlan River Jun 2, 1901 First Parliament met in Parliament House, Melbourne Jun 2, 1901 Australian National Flag was flown for the first time Jun 2, 1911 The Royal Australian Navy was founded Jun 2, 1912 Australia send women to Olympics Games for the first time Jun 2, 1940 A team of scientists develop penecillin under Howard Florey Jun 2, 1945 Australia becomes a founding member of United Nations May 9, 1988 New Parliament House opened in Canberra Sep 15, 2000 27 Summer Olympic Games held in Sydney