21 October 1983 October 21, 2022 Author: Staff The metre is defined as the distance light travels in a vacuum in 1/299,792,458 of a second. Famous Words of Inspiration..."Nobody made a greater mistake than he who did nothing because he could do only a little." Edmund Burke — Click here for more from Edmund Burke Related posts: 21 October 1983 31 October 1983 23 March 1983 12 April 1983 30 November 1982 25 October 1983 25 October 1983 25 October 1983 6 May 1983 20 March 1915 Categories: History Tags: 1983, 21 October