1939-1941 Germany invades Poland, WWII begins
On September 30, 1938, the Munich Conference was held. Adolf Hitler met with Neville Chamberlain (UK), Edouard Daladier (France), and Benito Mussolini (Italy). They signed the Munich Agreement with Adolf Hitler. The Munich Agreement sacrificed the autonomy of Czechoslovakia for very short-term peace. （“Munich Pact signed” History, 21 July. 2010, Accessed 7 June 2020.)
Germany signed a nonaggression pact with the Soviet Union on August 23, 1939 in order to neutralize the possibility that the USSR would come to Poland’s aid.
On September 1, 1939. Adolf Hitler sent 1.5 million German troops invade Poland all along its 1,750-mile border with German-controlled territory. In Poland, German forces employing a military strategy known as the blitzkrieg, or “lightning war,” It is a military strategy that use armored force smashed through enemy lines very quickly. On September 3, France, Great Britain, Australia, New Zealand, and India declared war on Germany. This event marked the beginning of World War II. （Lightbody, Bradley. “Invasion of Poland” BBC, 30 March. 2011, Accessed 7 June 2020.）