23 February 1954 February 22, 2013 Author: Staff The first mass inoculation of children against polio with the Salk vaccine began in Pittsburgh, USA. Famous Words of Inspiration..."I look in hope and fear; But grateful take the good I find, The best of now and here." John G. Whittier — Click here for more from John G. Whittier Related posts: 14 September 1954 22 April 1954 23 February 2005 Categories: History Tags: 1954, 23 February