22 April 1970 Posted on April 22, 2016 by Staff Earth Day is celebrated for the first time. Famous Words of Inspiration..."The most incomprehensible thing about the world is that it is at all comprehensible." Albert Einstein — Click here for more from Albert Einstein Related posts: 11 April 1970 12 April 1970 12 April 1970 8 April 1970 21 April 1970 6 April 1970 8 May 1970 4 November 1970 5 March 1970 12 November 1970