26 March 1975 Posted on March 25, 2014 by Staff The Biological Weapons Convention comes into force. Famous Words of Inspiration..."Men do less than they ought, unless they do all they can." Thomas Carlyle — Click here for more from Thomas Carlyle Related posts: 28 September 1975 1 October 1975 16 October 1975 11 November 1975 27 November 1975 28 September 1975 11 March 2009 26 March 1939 26 March 1999 29 July 1987