1939Soviet Shelling of Mainila Incident

The Soviets stage the shelling of Mainila, Soviet artillery ...
Timelines Logo
Year
1939
1940

💣 Soviet Shelling of Mainila Incident

The Soviets stage the shelling of Mainila, Soviet artillery shells a field near the Finnish border, accusing Finns of killing Soviet troops.
Soviet Shelling of Mainila Incident (1939)
USSRFinlandWinter WarProvocationBorder DisputeDiplomacyMilitaryFalse Flag

⚠️ Stalin Threatens Finland Regarding Delays in Negotiations

Finns meet Stalin again. Stalin tells them that "an accident" might happen between Finnish and Soviet troops, if the negotiations last too long.
RussiaFinlandSoviet UnionThreatNegotiationsDiplomacyWinter WarStalin

🇫🇮 Finland Rejects Soviet Border Demands

Finland and Soviet Union again negotiate new borders. Finns mistrust Stalin's aims and refuse to give up territory breaking their defensive line.
Finland Rejects Soviet Border Demands (1939)
FinlandSoviet UnionBorder DisputesWinter WarTerritorial ClaimsDiplomacyResistance

⚔️ Soviet Union Attacks Finland: Start of Winter War

The Soviet Union attacks Finland in what would become known as the Winter War.
Soviet Union Attacks Finland: Start of Winter War (1939)
USSRFinlandWinter WarInvasionMilitaryEastern EuropeWarConflictMilitary CampaignWorld War II

💥 Helsinki Bombed; Finns Retreat to Mannerheim Line

Russia continues its war against Finland; Helsinki is bombed. In the first two weeks of the month, the Finns retreat to the Mannerheim line, an outmoded defensive line just inside the southern border with Russia.
Helsinki Bombed; Finns Retreat to Mannerheim Line (1939)
FinlandUSSRWinter WarBombingMilitaryMannerheim LineDefenseEastern EuropeWar

❄️ Soviet Offensive Halted in Finland

The Soviet offensive in Finland is halted by several Finnish victories; numerous Soviet tanks are destroyed.
RussiaFinlandWinter WarMilitaryOffensiveSoviet Union