The Polish Armies crumble before the new kind of warfare, the Blitzkreig. British liner Athenia sunk by U-boat to open the Battle of the Atlantic.
Polish resistance ceases.
1939 -Russians begin fruitless frontal attacks on Mannerheim Line. Soviet-German economic agreement. Winston Churchill becomes Prime Minister of Great Britain. MAY 14th 1940 -Dutch Army surrenders. 1940 -German Army reaches English Channel.