- 
  
  Began with Germany invading Poland, France and the UK declared war
- 
  
  The largest German concentration camp
- 
  
  Nazi Germany's plan for Jewish genocide
- 
  
  Japans' unprovoked attack against a U.S. island caused the U.S. to become involved in WW2
- 
  
  10 hours after the attack on pearl harbor, the Japanese launched a surprise attack on the Philippines
- 
  
  Overcrowded camps held Japanese Americans during WW2
- 
  
  The first air raid of WW2 performed on Japan by the U.S.
- 
  
  The first air-sea battle ever fought using aircraft. Japanese plans to take control of the coral sea were intercepted by Allied forces.
- 
  
  First victory against the U.S. showed the significance of aircraft carriers.
- 
  
  The first battle against Japan that the U.S. was offensive.
- 
  
  Code name for the secret research and development of the atomic bombs that unofficially lasted 6 years.
- 
  
  Deceptive military strategy used by the Allied powers to convince Hitler the invasion would take place in a different location by controlling information that got leaked through radios
- 
  
  A code name for a successful invasion of German- occupied Europe.
- 
  
  Last major German defense campaign on the western front
- 
  
  The capture of Iwo Jima was significant because it was part of the U.S.s' plan to end WW2
- 
  
  A military strategy used by the U.S. to only invade strategically important Japanese islands
- 
  
  The final battle
- 
  
  The first atomic bomb that Truman dropped on Hiroshima
- 
  
  Truman gave the order to drop the atomic bombs after Japan refuses to surrender
- 
  
  The second atomic bomb that the Truman ordered to be dropped at Nagasaki