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        make the first flyable and controlled air craft - 
  
  
        World War 1 , Us enters war when declaring war on Germany - 
  
  
        18th- prohibited the make and sale and transport of liquor ( jan 16th)
19th- Granted women right to vote (aug 18) - 
  
  
        World War two - united states declare it was neutral in Europe - 
  
  
        The united nations was established - 
  
  
        the constitution was ratified so that presidents can only serve two terms( done because Roosevelt was elected 3 time and had four inaugurations, the only president in history to do so. ) - 
  
  
        When Russia, Cuba, and the United States were at the brink of a nuclear war. - 
  
  
        Martin Luther King Jr, gives his most famous " I have a Dream speech during a civil rights march on Washington dc - 
  
  
        President John F Kennedy was assisinated in Dallas Texas during a parade - 
  
  
        North America Free Trade Agreement was signed into law by President Clinton