| A | B |
| This action by Germany started WWII | German invasion of Poland |
| US gives warships and ammunition to Great Britain for military bases | Lend-lease |
| Battle of Britain | London was bombed constantly by the Germans |
| This event led the US to enter the war | Pearl Harbor |
| Turning point of the war in the Pacific | Battle of Midway |
| turning point of the war in Eastern Europe | Battle of Stalingrad |
| The US and the allies invaded Normandy, France; they were able to liberate Western Europe | D-Day |
| Hiroshima and Nagasaki | US drops atomic bombs on these cities to end the war |