1946 to 2017 By 21sulbru@m.kckps.org Feb 22, 1946 United Nations Security Council holds its 1st meeting http://www.onthisday.com/date/1946 Feb 28, 1947 228 Incident: In Taiwan, civil disorder is put down with the loss of 30,000 civilian lives http://www.onthisday.com/date/1947 Aug 15, 1947 India gains independence from Great Britain, remains a dominion until 1950 http://www.onthisday.com/date/1947 Apr 3, 1948 US President Harry Truman signs Marshall Plan ($5B aid to 16 European countries) http://www.onthisday.com/date/1948 May 14, 1948 Israel declares independence from under British administration http://www.onthisday.com/date/1948 Jul 8, 1948 500th anniversary of the Russian Orthodox Church celebrated in Moscow http://www.onthisday.com/date/1948 Jan 5, 1949 US President Harry Truman labels his administration the "Fair Deal" http://www.onthisday.com/date/1949 Apr 4, 1949 North Atlantic Treaty Organization (NATO) treaty signed in Washington DC http://www.onthisday.com/date/1949 Jul 29, 1949 Moscow ends the blockade of West Berlin http://www.onthisday.com/date/1949 Sep 21, 1949 Chinese Communist leaders proclaim People's Republic of China http://www.onthisday.com/date/1949 Jan 31, 1950 US President Harry Truman publicly announces support for the development of a hydrogen bomb http://www.onthisday.com/date/1950 Jun 27, 1950 North Korean troops reach Seoul, UN asks members to aid South Korea, Harry Truman orders US Air Force & Navy into Korean conflict http://www.onthisday.com/date/1950 Oct 26, 1950 Robert McClure sights the fabled Northwest Passage for the first time (from Banks Island towards Melville Island) http://www.onthisday.com/date/1950 May 15, 1951 AT&T becomes the 1st US corporation to have a million stockholders after young car salesman Brady Denton purchases 7 shares worth $1,078 http://www.onthisday.com/date/1951 Oct 15, 1951 Mexican chemist Luis E. Miramontes synthesizes the first oral contraceptive http://www.onthisday.com/date/1951 Feb 6, 1952 Queen Elizabeth II succeeds King George VI to the British throne http://www.onthisday.com/date/1952 Feb 8, 1952 is proclaimed Queen of the United Kingdom of Great Britain & Northern Ireland, Canada, Australia, New Zealand, etc http://www.onthisday.com/date/1952 Apr 1, 1952 Big Bang theory proposed in Physical Review by Alpher, Bethe & Gamow http://www.onthisday.com/date/1952 May 7, 1952 The concept of the integrated circuit, the basis for all modern computers, is first published by Geoffrey Dummer http://www.onthisday.com/date/1952 Dec 1, 1952 The New York Daily News reports the first successful sexual reassignment operation http://www.onthisday.com/date/1952 Jan 7, 1953 US President Harry Truman announces American development of the hydrogen bomb http://www.onthisday.com/date/1953 Feb 21, 1953 Francis Crick and James Watson discover structure of DNA-molecule http://www.onthisday.com/date/1953 Mar 26, 1953 Dr Jonas Salk announces vaccine to prevent polio http://www.onthisday.com/date/1953 Apr 25, 1953 and James Watson's discovery of the double helix structure of DNA is published in "Nature" magazine http://www.onthisday.com/date/1953