German Attacks By Mackmekler Mar 12, 1938 Germany invades Austria Sep 30, 1938 Prime Ministers Daladier and Neville Chamberlain give Sudentenland to Germany Mar 15, 1939 Germans invade Czechoslovakia Sep 1, 1939 Germans attack Poland Period: Apr 9, 1940 to Jun 10, 1940 Germany invades Norway, Denmark, etc. May 10, 1940 Germany and Italy invade France Period: Jun 10, 1940 to Oct 31, 1940 The Battle of Britain