WORLD HISTORY

Detailed explanation-1: -German troops invaded Poland on September 1, 1939, triggering World War II. In response to German aggression, Great Britain and France declared war on Nazi Germany. Nazi Germany possessed overwhelming military superiority over Poland.

Detailed explanation-2: -Sept. 1, 1939: Germany invades Poland, marking what many regard as the start of the war, though Japan invaded China on July 7, 1937.

Detailed explanation-3: -In 1939, the Nazis overran Poland in weeks, showing the world a new form of warfare called blitzkrieg (“lightning war”). The Nazi’s occupation lasted until 1944 when the Soviet army drove them back into Germany. The Soviets stayed in Poland until 1989.

Detailed explanation-4: -In World War Two, the Polish armed forces were the fourth largest Allied forces in Europe, after those of the Soviet Union, United States, and Britain. Poles made substantial contributions to the Allied effort throughout the war, fighting on land, sea, and in the air.

Detailed explanation-5: -World War II was the biggest and deadliest war in history, involving more than 30 countries. Sparked by the 1939 Nazi invasion of Poland, the war dragged on for six bloody years until the Allies defeated the Axis powers of Nazi Germany, Japan and Italy in 1945.