World War II: The Soviet Red Army crosses the Finnish border in several places, bombing Helsinki and several other Finnish cities, starting the Winter War.

World War II

1939–1945 global conflict

World War II or the Second World War was a global conflict between two coalitions: the Allies and the Axis powers. Nearly all of the world's countries participated, with many nations mobilising all resources in pursuit of total war. Tanks and aircraft played major roles,…

Red Army

Soviet army and air force from 1918 to 1946

The Workers' and Peasants' Red Army, often shortened to the Red Army, was the army and air force of the Russian Soviet Republic and, from 1922, the Soviet Union. The army was established in January 1918 by a decree of the Council of People's Commissars to oppose the military…

Finland–Russia border

International border

The international border between Finland and Russia is 1,340 km (830 mi) long and runs approximately north to south, mostly through taiga forests and sparsely populated rural areas. It does not follow any natural landmarks, such as mountains or rivers. It is also an external…

Bombing of Helsinki in World War II

Helsinki, the capital of Finland, was bombed repeatedly during World War II. Between 1939 and 1944, Finland was subjected to a number of bombing campaigns by the Soviet Union. The largest were three raids in February 1944, which have been called The Great Raids Against Helsinki.

Winter War

1939–1940 war between the Soviet Union and Finland

The Winter War was a war between the Soviet Union and Finland. It began with a Soviet invasion of Finland on 30 November 1939, three months after the outbreak of World War II, and ended three and a half months later with the Moscow Peace Treaty on 13 March 1940. Despite superior…