20 October 1973 October 19, 2012 Author: Staff The Sydney Opera House is opened. Famous Words of Inspiration..."One might think that the money value of an invention constitutes its reward to the man who loves his work. But... I continue to find my greatest pleasure, and so my reward, in the work that precedes what the world calls success." Thomas A. Edison — Click here for more from Thomas A. Edison Related posts: 6 October 1973 8 March 1983 30 March 1981 11 August 1984 20 October 1967 Categories: History Tags: 1973, 20 October