The 60's Bruthaa By john.lardizabal Period: Jan 1, 1960 to Dec 31, 1969 60's Events Dec 10, 1960 Crown of thorns starfish ravages the Great Barrier Reef Feb 23, 1962 Australia tallest building opens, the 25-storey AMP building Dec 7, 1962 Philip Magalnir becomes the first Australian Aborigine to vote under the new Commonwealth electoral laws granting voting rights to Aborigines Jun 30, 1965 Prime Minister Menzies declares that Australia is at war with Vietnam Aug 2, 1965 The ALP deletes "White Australia" from its immigration policy Feb 14, 1966 Australia changes over to decimal currency. Dec 22, 1967 Prime Minister Harold Holt disappears while swimming in heavy surf south of Melbourne. His body is never found