The document summarizes key events in World War 2 from 1939-1941. It describes Germany's invasion of Poland on September 1, 1939 starting the war, followed by the Soviet Union also invading Poland. This led to a "Phony War" period with little action on the Western Front. In May 1940, Germany invaded France through Belgium and the Netherlands, leading to the British evacuation at Dunkirk. France surrendered to Germany in June 1940, becoming occupied in the north and controlled by a collaborationist government in the south. The document also outlines Winston Churchill replacing Chamberlain as British Prime Minister and continuing the fight despite the fall of France.