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Events on Friday 6 October 1939 4
1939German invasion of PolandGermany attacks Poland without a declaration of warGerman forces crossed into Poland on 1 September, and the invasion is usually taken as the start of the Second World War in Europe. Polish forces were overwhelmed by attacks from the west, north and south. The last Polish field units surrendered on 6 October.
1939Invasion of PolandStart of WWIINazi Germany and the Soviet Union invaded Poland, marking the beginning of the Second World War.
1939First Battle of ChangshaChinese forces repel a Japanese offensive in HunanJapanese troops advanced on Changsha, the capital of Hunan, and were forced back by the National Revolutionary Army. It was the first big Chinese defensive success after the fall of Wuhan. Chinese morale improved as a result.
1939Soviet invasion of PolandThe Red Army invades eastern PolandUnder the secret terms of the Molotov–Ribbentrop Pact, Soviet forces entered eastern Poland on 17 September. Germany and the Soviet Union then divided the country between them. Hundreds of thousands of Polish soldiers were taken prisoner.