The job of a film director is extremely challenging which requires the person to have knowledge of almost all the fields of film production. The success or failure of a film more or less depends on the capabilities of a film director.
On September 1, 1939, Hitler invaded Poland from the west; two days later, France and Britain declared war on Germany, beginning World War II. On September 17, Soviet troops invaded Poland from the east.
World War II in Europe. There are several possible dates for the start of World War Two in the Pacific, but in Europe, the war is almost universally agreed to have begun with the Nazi invasion of Poland in 1939. Within two years Hitler had subjugated much of the continent, including a lightning conquest of France.