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: The Invasion of Poland and the Winter War. In August of 1939, Nazi Germany and the Soviet Union signed a non-aggression treaty. One week later, Germany invaded Poland and World War II began. The first attack of the war took place on September 1, 1939, as German aircraft bombarded the Polish town of Wielun, killing nearly 1,200.