1859 – The first Zoological Society was incorporated in Philadelphia. PA, today simply called ‘The Philadelphia Zoo.’
1871 – Otto von Bismarck was appointed Chancellor of the German Empire.
1925 – Butler Act became state law in Tennessee that prohibited “The teaching of the Evolution Theory in all the Universities, Normals and all other public schools of Tennessee, which are supported in whole or in part by the public school funds of the State, and to provide penalties for the violations thereof that it shall be unlawful to teach any theory that denies the story of the Divine Creation of man as taught in the Bible, and to teach instead that man has descended from a lower order of animals.” It was repealed on May 17, 1967.
1942 – A report was submitted suggesting the name “plutonium” for artificial element 94 since it followed neptunium and uranium (elements 93 and 92).
1952 – Hosted by Alan Freed, first major rock-and-roll show, the Moondog Coronation Ball, was held in Cleveland, Ohio.
1953 – #1 Hit March 21, 1953 – May 15, 1953: Patti Page – The Doggie In The Window
1963 – Alcatraz Prison in San Francisco Bay closed and transferred its remaining prisoners.
1965 – Martin Luther King Jr., and 3200 civil rights demonstrators began a historic march from Selma, Alabama to the state capitol at Montgomery.
1980 – “Who shot J.R.?” On the season finale of Dallas, J. R. Ewing was shot by an unseen assailant. The following season we found out that it was Kristin Shepard, J.R.’s mistress
1980 – President Jimmy Carter announced that the United States would boycott the Olympic Games scheduled to take place in Moscow that summer.
1981 – #1 Hit March 21, 1981 – March 27, 1981: REO Speedwagon – Keep On Loving You
1986 – GoBots: Battle of the Rock Lords and Police Academy 3: Back in Training were released in theaters
1987 – #1 Hit March 21, 1987 – April 3, 1987: Club Nouveau – Lean On Me
1989 – Sports Illustrated reported allegations tying baseball player Pete Rose to baseball gambling.
1992 – #1 Hit March 21, 1992 – April 24, 1992: Vanessa Williams – Save the Best for Last
1997 – Liar Liar and Selena were released in theaters.
2003 – Piglet’s Big Movie debuted in theaters.
2006 – Twitter was founded.
2014 – Muppets Most Wanted, Divergent and God’s Not Dead debuted in theaters.