#OnThisDay in 1939, the Soviet Union invaded Poland from the east, just 16 days after Nazi Germany attacked from the west.
The invasions followed the secret protocols of the Molotov–Ribbentrop Pact, which divided Poland between Nazi Germany and the USSR.
The Democratic Republic of the Congo is often called Africa’s water powerhouse.
Thanks to the vast Congo River Basin, the second-largest river basin in the world after the Amazon, the country holds around half of Africa’s surface freshwater resources.
























