Invasion of Poland. World War II - the largest armed conflict in the history of the world. The world war started 1st September 1939 to 2 August 1945 when Germans attack Poland. During the war were killed 8 million Polish people both Poles and Jews. The Second World War broke out mainly because of Adolf Hitler. September 3rd to battle joined England and France but September 17, 1939,Germany attacked Poland . Poles found themselves between a rock and a hard place. Germany built the extermination camp of Auschwitz - Birkenau ,which have made the murder of people who were "uncomfortable" for Germany. Mathematicians have calculated the Reich even how many Poles have been killed at Auschwitz. A few months later, in April 1940, the 3rd to invade was Denmark and Norway. Meanwhile, the Soviets already occupied Lithuania, Latvia, Estonia, Bessarabia, and, after an exhausting war, part of Finland. May 10, 1940, the German army marched through Belgium, the Netherlands and Luxembourg to France, which surprisingly quickly gave up. Adolf Hitler had a plan to take care of even the British Isles, but it failed to destroy the English planes and the operation was canceled. German and Italy also fell prey to Yugoslavia and Greece December 7, 1941 Japan attacked Pearl Harbor, dealing a huge blow to the Pacific Fleet. Then Americans joined the war. 6 August 1945 USA dropped an atomic bomb on Hiroshima. September 1 1945 Japan signed the surrender of World War. June 6, 1944, the Americans and the British conducted a landing on the beaches of Normandy in northern France. They managed to break the German resistance and begin the march to the occupied Europe. Surprise met them in the forests of the Ardennes, where the Germans launched a counteroffensive, which, however, ended in the defeat of the Nazis. Shortly after the Russians began to rule Berlin, who surrendered to May 2, 1945, the Germans surrendered on May 7, 1945, Adolf Hitler commits suicide in the ruling Berlin.