A Brief History of WW2 | Deadliest War in Human History

World War II began in Europe on September 1, 1939, when Germany invaded Poland...Great Britain and France responded by declaring war on Germany on September 3...The war between the U.S.S.R. and Germany began on June 22, 1941, with Operation Barbarossa, the German invasion of the Soviet Union...At last Germany Lost World War 2 and Surrendered...There are many reasons responsible for world war 2 including Hitler...So, Watch the full video.