17 December 1967 December 16, 2011 Author: Staff The Prime Minister of Australia Harold Holt disappears while swimming near Portsea, Victoria and is assumed to have drowned. Famous Words of Inspiration..."If you have built castles in the air, your work need not be lost; that is where they should be. Now put foundations under them." Henry David Thoreau — Click here for more from Henry David Thoreau Related posts: 2 October 1967 20 October 1967 Categories: History Tags: 17 December, 1967