This invasion marks the start of WWII. England told Germany that 'If you invade Poland, we will declare war.' Hitler invaded Poland, with the help of Russia, because he didn't believe England.
Attack on Pearl Harbor
December 7, 1941
Japan bombed Pearl Harbor because they wanted to destroy U.S. fleets in order to conquer Southeast Asia without interference. They killed 2,300 people and successfully destroyed the U.S. battleships.
Battle of Midway
June 4, 1942 - June 7, 1942
This was a naval battle in the Pacific Theater of WWII.
Battle of Stalingrad
July 17, 1942 - February 2, 1943
Despite the supposed alliance between the Soviet Union and Germany, Hitler attacks the Russian city Stalingrad. He lost the battle for control, the Russian defense having successfully beaten him and his allies.
June 6, 1944
This is the day Americans and their allies fought to end (and win) WWII.
May 8, 1945
Victory in Europe day celebrates the formal acceptance by the Allies of WWII of Nazi Germany's unconditional surrender of its armed forces.
August 6, 1945
America dropped the first Atomic bomb on Hiroshima, Japan, and killed 80,000 people on the spot, but tens of thousands more would die of radiation exposure.
August 15, 1945
Victory over Japan day: Japan surrendered to America.