- 
  
  
        The first A-bomb was put into effect between Great Britain and the United States - 
  
  
        Hitler declares total war starting the second world war. - 
  
  
        Allied soldiers invaded the beaches of Normandy in France - 
  
  
        World War II ends in Europe as Germany surrendered - 
  
  
        Harry S. Truman becomes the 33rd president of America and is in office for 2 terms. - 
  
  
        The Soviet Union puts up land blockades against the US in Germany. - 
  
  
        North American Treaty Organization is formed by the US, Canada, and Western European countries. - 
  
  
        North Korea and the Soviets invade South Korea and the US aided South Korea in the war. - 
  
  
        Truman gives a speech on the transcontinental tv about the Japanese peace treaty in San Francisco - 
  
  
        Dwight D. Eisenhower is elected the president of the United States. He served 2 terms.