Key Events of WWII By Hogs1994 Period: Jan 1, 1939 to Dec 31, 1945 Key Events of WWII Sep 1, 1939 Germany Invades Poland Using a "blitzkrieg" strategy, Germany invades Poland with a lightning attack of tanks, artillery and infantry. Jun 22, 1940 France Surrenders France surrenders to Germany six weeks after Germany begins invasion of Western Europe.
