23 February 1954 February 22, 2015 Author: Staff The first mass inoculation of children against polio begins in Pittsburgh. Famous Words of Inspiration..."To dare is to lose one's footing momentarily. To not dare is to lose oneself." Soren Aabye Kierkegaard — Click here for more from Soren Aabye Kierkegaard Related posts: 23 February 1954 14 September 1954 22 April 1954 26 April 1954 4 December 1954 12 April 1955 24 January 1908 23 February 2005 23 February 1999 16 August 1954 Categories: History Tags: 1954, 23 February