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        Ronald Reagan. - 
  
  
        Space Shuttle Columbia (OV-102) was a Space Shuttle orbiter manufactured by Rockwell International and operated by NASA. - 
  
  
        An American cable channel that launched on August 1, 1981. Based in New York City, it serves as the flagship property of the MTV Entertainment Group, part of Paramount Media Networks, a division of Paramount Global. - 
  
  
        The US Invasion of Grenada was a 1983 United States –led invasion of the Caribbean Island nation of Grenada, which has a population of about 91,000 and is located 99 miles north of Venezuela, that resulted in a U.S. victory within a matter of weeks. - 
  
  
        George Herbert Bush. - 
  
  
        The Gulf War was an armed campaign waged by a United States-led coalition of 35 nations against Iraq in response to the Iraqi invasion and annexation of Kuwait. - 
  
  
        The Cold War ends. - 
  
  
        Bill Clinton elected as President. - 
  
  
        World Trade Center bombing. - 
  
  
        Oklahoma City bombing. - 
  
  
        An American former football running back, broadcaster, actor, and advertising spokesman. Once a popular figure with the U.S. public, he is now best known for being tried for the murders of his former wife, Nicole Brown. - 
  
  
        The Columbine High School massacre was a school shooting. - 
  
  
        George Bush elected president. - 
  
  
        The September 11 attacks, commonly known as 9/11, were a series of four coordinated suicide terrorist attacks carried out by the militant Islamic extremist network al-Qaeda against the United States. - 
  
  
        Providing Appropriate Tools Required to Intercept and Obstruct Terrorism.