The invasion during which German troops, especially, drew virtually no distinction between civilians and military personnel and routinely attacked unarmed men, women and children lasted just over a month. In the hours that follow, German armies are moved into the frontier as a full attack is being prepared. Home >> Second World War, 1939-45 >> 1939 >> The German Invasion of Poland - Canada Declares War: 10 September 1939 On 1 September, German armies attacked Poland. (On Sept. 3, both England and France declared war on Germany but not on the USSR.) The Invasion of Poland in 1939 was a military offensive in which Nazi Germany, and two weeks later the Soviet Union, invaded Poland. It would be a close match that could go either way. The French at the time had a numerical advantage on the Western Front. The invasion took place from 1 September to 6 October 1939. So I was reading about the invasion of Poland, in the paper they briefly mentioned that Poland was finally getting the help they needed from the western armies and France had incurred in to Germany and has started to push East and for a moment the polish were relieved but then the French … German Invasion of Poland (September 1, 1939-October 6, 1939)--Germany invaded Poland on September 1, and Britain, France, and Canada, declared war on Germany on September 3. Let's assume that France in fighting mood would be easily defeated by 1939 German army. The Soviet Union joined the war on Germany's side on September 17, with the Soviet Invasion … I don't understand why Britain would surrender. It was the start of World War II in Europe. The French and British governments issued an ultimatum to the German government, demanding the withdrawal of all German troops from Polish territory. According to the treaty between France and Poland,the Franco-Polish Military Convention, if Poland was attacked by Germany the French Army was supposed to launch a full scale assault against Germany by the 15th day of full mobilization for war. Introduction On August 31st, 1939 Adolf Hitler, despite the looming threat of British and French intervention, gives the order to attack the nation of Poland. With French support, Britain promised on March 31, 1939, that if Germany made aggressive moves toward Poland, they would come to Poland’s defense. On this day in 1940, Parisians awaken to the sound of a German-accented voice announcing via loudspeakers that a curfew was being imposed for 8 p.m. that evening as German …