Germany invaded Poland. That led Britain and France to declare war on Hitler.
They did this in response to Hitler's invasion to Poland.
Now that Germany had control of Norway, Germany could now import iron from Sweden.
It was a big battle that took about 6 weeks.
It took some time for Italy to actually surrender. There was a lot of negotiating between Italy and the allies for awhile.
The Normandy invasion was also known as D-day. That was there codename for the invasion.
15,652 German soldiers passed away in this battle.
The US Marines wanted to capture Iwo Jima because it was a good smart place to keep fighter planes and all of their weapons.
Hitler committed suicide in his underground bunker by shooting himself in the head.
Japan surrendered after US dropped Atomic Bombs on Japan.