Timeline Sunday 17 September 1939

Events on Sunday 17 September 1939 3

• 1939 First Battle of Changsha Chinese forces repel a Japanese offensive in Hunan Japanese 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.
• 1939 Soviet Union invades Poland USSR attacks from the east The Soviet Union invaded Poland from the east on September 17, 1939, under the secret Molotov-Ribbentrop Pact with Nazi Germany. Poland was divided between the two powers.
• 1939 Soviet invasion of Poland The Red Army invades eastern Poland Under 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.