What is Invasion of Poland (1939)?
{{Infobox Military Conflict | partof = [[World War II]] | image = Second World War Europe.png | caption = The map shows the beginning of the Second World War in September 1939 in a wider European context. | date = 1 September – 6 October 1939 | place = [[Second Polish Republic|Poland]] | result = Decisive German/Slovak and Soviet victory. Beginning of World War II | territory = Polish territory divided between Germany, the Soviet Union, Lithuania and Slovakia | combatant1 = {{flag|Nazi Germany|name=Germany}} * {{flagicon|Slovakia|1938}} [[Slovak Republic (1939–1945)|Slovakia]] {{flagicon|Soviet Union|1936}} [[Soviet Union]] <small>(After September 17, see [[Soviet invasion of Poland|details]])</small> | combatant2 = {{flagicon|Second Polish Republic}} [[Second Polish Republic|Poland]] | commander1 = {{flagicon|Nazi Germany|army}} [[Fedor von Bock]]<br /><small>([[Army Group North]])</small> {{flagicon|Nazi Germany|army}} [[Gerd von Rundstedt]]<br /><small>([[Army Group South]])</small> {{flagicon|Slovakia|1938}} [[Ferdinand Čatloš]]<br /><small>([[Field Army Bernolák|Army Bernolák]])</small><br /> ---- {{flagicon|USSR|1936}} [[Kliment Voroshilov]]<br /><small>([[Belarusian Front (1939)|Belorussian Front]])</small> {{flagicon|USSR|1936}} [[Mikhail Kovalev]]<br /><small>([[Belorussian Front (1939)|Belorussian Front]])</small> {{flagicon|USSR|1936}} [[Semyon Timoshenko]]<br /><small>([[Ukrainian Front (1939)|Ukrainian Front]])</small> | commander2 = {{flagicon|Second Polish Republic}} [[Edward Rydz-Śmigły]] | strength1 = '''Germany''':<br />60 divisions,<br />6 brigades,<br />9,000 guns,<ref name=polishgovernment/><br />2,750 tanks,<br />2,315 aircraft<ref>E.R Hooton, p85</ref><br />'''Slovakia''':<br />3 divisions<br /> '''Joined on 17 September:'''<br /> '''Soviet Union''':<br />33+ divisions,<br />11+ brigades,<br />4,959 guns,<br />4,736 tanks,<br />3,300 aircraft<br /> ---- '''Total''':<br />1,500,000 Germans,<ref name=polishgovernment/><br /> 466,516 Soviets,<ref na