There were a lot of things that happened in January of 1940. This a chronological order of events that occurred in January on the topic of the Second World War (see related link below for cited link where info came from):
- 5th - Finnish offensive at Suomossalmi against Russia
- 6th - Mass execution of Poles, committed by Germans in the city of Poznań, Warthegau.
- 8th - Britain's 1st WW II rationing (bacon, butter & sugar)
- 8th - World War II: Britain introduces food rationing.
- 9th - 2 German officers make emergency landing in Belgium
- 12th - World War II: Soviets bombs cities in Finland.
- 15th - German U-Boot torpedoes Dutch trade ship Arendskerk (Eagle's Church)
- 25th - Nazi decrees establishment of Jewish ghetto in Lodz Poland
- 26th - Nazi's forbid Polish Jews to travel on trains
- 31st - 40 U boats sunk this month (111,000 ton)