Unit 9 By Future31 Period: Sep 1, 1939 to Sep 2, 1945 World War 2 https://www.google.com/search?rlz=1CALEAD_enUS784US784&ei=-BGDWsjbOsSnwATeiJfoBg&q=ww2+started+and+ended&oq=ww2+start&gs_l=psy-ab.3.1.0l10.298.1842.0.3560.6.6.0.0.0.0.373.1285.2-4j1.5.0....0...1c.1.64.psy-ab..1.5.1284...0i67k1.0.IQPmdwGgHSA&safe=active&ssui=on