20 October 1973 October 19, 2013 Author: Staff The Sydney Opera House is opened. Famous Words of Inspiration..."Be a good listener. Your ears will never get you in trouble." Frank Tyger — Click here for more from Frank Tyger Related posts: 20 October 1973 6 October 1973 17 November 1973 14 May 1973 21 July 1973 26 January 1788 4 February 2004 20 October 1967 23 October 2002 23 October 2002 Categories: History Tags: 1973, 20 October