World War 2 By theadventuresofryanandfriends Period: Oct 15, 1935 to Apr 15, 1939 Italy invades a European & African state Italy conquests over Albania and Ethiopia. Period: Mar 17, 1938 to Sep 1, 1939 Germany conquests some European countries Germany invaded Austria, a portion of Czechoslovakia and a portion of Poland during that timeframe Sep 1, 1939 Soviet Union invades East Poland.