WWII Decisions Online · Mannerheim — at the Defence Council
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17 October - 30 November 1939
Helsinki, then Mikkeli (operational HQ)
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Mannerheim — at the Defence Council

Marshal Carl Gustaf Emil Mannerheim, President of the Finnish Defence Council

, seventy-two, is one of the most singular figures of twentieth-century Europe. Born into the Swedo-Finnish nobility when Finland was a Grand Duchy of the Russian Empire, he served in the Tsarist army as a cavalry officer for thirty years (major-general in 1917, operations in Manchuria, the Central Asian expedition of 1906-1908, the Great War). At Finnish independence in 1918 he commanded the White army in the civil war against the Reds, and was Regent of Finland in 1918-1919. Politically marginalised in the 1920s, he was recalled in 1931 as President of the Defence Council (a consultative body).

From 1932 he had the Mannerheim line of fortifications built across the Karelian Isthmus — 132 kilometres of pillboxes, trenches, anti-tank obstacles, taking advantage of the natural lakes. On 1 September 1939, the Finnish army is tactically prepared but materially very inferior: 300,000 men mobilisable, thirty-two obsolete light tanks, 114 aircraft, few anti-tank guns.

The Soviet-Finnish negotiations of the autumn of 1939 (12 October - 13 November) break down. President and Prime Minister are divided. Cajander believes a conciliatory approach will avert war. Mannerheim considers that Stalin will not back down without a demonstration of force. On 17 October, Kallio invites Mannerheim to resume service. Mannerheim accepts on condition that the government adopt a firm defensive posture.

On 28 November, the USSR denounces the non-aggression pact. On 30 November at 6.50 a.m. the attacks along the entire front. Helsinki is bombed at 9.20 a.m.

How does Mannerheim conduct the defence in the first days?

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