Nonaggression pact that was a temporary tactical maneuver
The use of gas chambers as the euthanasia killing centers ultimately served as training centers for the SS. http://file3.answcdn.com/answ-cld/image/upload/w_726,c_fill,g_faces:center,q_60/v1/tk/view/getty/Religion_and_Spirituality/2/0/0/1/0/2001061708/461810231.jpg
First operational order for the invasion of the Soviet Union
Three army groups attack the Soviet Union across a broad front
No actual attack and use tactic of bombing and starvation
Hitler believed that he would succeed in capturing Moscow. Russians destroyed everything while they were fleeing and resulting in Hitler's army getting nothing.
Hitler believed that once Moscow was taken out, the entire nation of Russia would collapse. http://www.oldpicz.com/picz/2015/03/battleofmoskow-7.jpg
One of the bloodiest battles of WWII and stopped the German advance into Russia
It marked an unsuccessful German offensive against Soviet forces and resulted in the momentum of the war being shifted to the Soviet side after this battle.
It was the final major offensive battle of World War II on European soil. Before the battle was over, Hitler along with many of his followers committed suicide. http://www.militaryeducation.org/wp-content/uploads/2011/12/Entry-2.-Battle-of-Berlin.jpg http://www.eyewitnesstohistory.com/berlin.htm