- 
  
  On Aug. 6, 1945, U.S. war plane Enola Gay dropped “Little Boy,” a 8,900-pound atomic bomb, on Hiroshima, Japan. Within eight days, Japan surrendered, ending World War II.
 - 
  
  
 - 
  
  The Berlin Airlift showed the Soviet Union that the western Allies weren't leaving the citizens of West Berlin behind and would do anything to preserve their independence.
 - 
  
  Stalin supports North Korea who invaded South Korea equipped with Soviet weapons.
 - 
  
  Was an attempt by the Soviet to retaliate against the United State's NATO, which was a military alliance formed by the US.
 - 
  
  Sputnik caught the American public off-guard because of it's impressive size. The public feared that the Soviets' abilitiy to launch satellites gave them the capability to launch nuclear weapons to the U.S.
 - 
  
  Kennedy promised to renovate America's foreign policy, by exploring options ignored by the Eisenhower administration.
 - 
  
  It was the closest the world ever came to a nuclear war, and it was provoked by the Americans.
 - 
  
  The bombers struck in Vinh, 145 miles north of the Demilitarized Zone.
 - 
  
  It was the biggest crisis in two years between the United States and North Korea.
 - 
  
  The cease-fire began on time, but both sides violated it.
 - 
  
  South Vietnam then fell to communist forces.
 - 
  
  A diplomatic relationship opened a channel for exchange and co-operation between China and the United States.
 - 
  
  In little more than a week, Grenada's government was overthrown.
 - 
  
  Reagan and Gorbachev agree to remove all medium and short-range nuclear missiles
 - 
  
  The Soviet Union collapsed economically so the USA no longer had an enemy.