1939 ⟶ Helsinki Bombed; Finns Retreat to Mannerheim Line
Russia continues its war against Finland; Helsinki is bombed...Year
1939
1940
💥 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.⟶

FinlandUSSRWinter WarBombingMilitaryMannerheim LineDefenseEastern EuropeWar
💣 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.⟶

USSRFinlandWinter WarProvocationBorder DisputeDiplomacyMilitaryFalse Flag
⚔️ Soviet Union Attacks Finland: Start of Winter War
The Soviet Union attacks Finland in what would become known as the Winter War.⟶

USSRFinlandWinter WarInvasionMilitaryEastern EuropeWarConflictMilitary CampaignWorld War II
🔥 Soviets Attack Mannerheim Line
The Russian invaders begin heavy attacks on the Mannerheim line. The Battles of Kollaa and Suomussalmi begin.⟶

USSRFinlandWinter WarMannerheim LineBattlesMilitaryEastern EuropeWarKollaaSuomussalmi
↩️ Finns Continue Retreat from Mannerheim Line
The Finns continue retreat from the Mannerheim Line.⟶

FinlandWinter WarMannerheim LineMilitary RetreatSoviet OffensiveEastern Front