Germany started what became World War II with the invasion of Poland on September 1st. What day of the week was it?
Polish contribution to World War II Polish contribution to World War II The European theatre of World War II opened with the German invasion of Poland on Friday September 1, 1939 and the Soviet invasion of Poland on September 17, 1939. In the face of overwhelming forces of opponents and the betrayal of its allies, the Polish Army was defeated after more than a month of fierce fighting. Poland has never officially capitulated. After Poland had been overrun, a government-in-exile (headquartered in Britain), armed forces, and an intelligence service were established outside of Poland. These organizations contributed to the Allied effort throughout the war. The Polish
Invasion of Poland but the culmination of combined European and Pacific conflicts would result in what was truly a "world war". Thus, what was not seen by most politicians and generals in 1939 is clear from the historical perspective: The Polish September Campaign marked the beginning of a pan-European war, which combined with the Japanese invasion of China in 1937 and the Pacific War in 1941 to form the global conflict known as World War II. The invasion of Poland led Britain and France to declare war on Germany on 3 September. However, they did little to affect the outcome of the September