5 March 1970 March 4, 2022 Author: Staff The Treaty on the Non-Proliferation of Nuclear Weapons goes into effect after ratification by 43 nations. Famous Words of Inspiration..."You should do your own car repairs. It's an easy way to save money and possibly maim yourself for life." Dave Barry — Click here for more from Dave Barry Related posts: 5 March 1970 5 March 1970 26 February 1935 26 February 1935 26 February 1935 4 November 1970 30 January 1933 22 April 1998 4 March 1970 4 March 1970 Categories: History Tags: 1970, 5 March