"We no longer demand anything. We want war." -German Reich Minister for Foreign Affairs Joachim von Ribbentrop.
September 1, 1939- German and Slovakian forces invade Poland, starting the European phase of World War II and often the accepted beginning of the War in general.
Picture- The Royal Castle in Warsaw on fire after being shelled by the Germans, Apoloniusz Zawilski (1972) "Bitwy Polskiego Września" ("Battles of Polish September")