Episode 2 of 3

Crossing into Finland

Name: Crossing into Finland
Start: 1808-02-21
Location: Ahvenkoski

When: 21 Feb 1808
Where: Ahvenkoski
Part of: Finnish War begins: Russian invasion of Finland

Russian troops crossed the border into Finland without a declaration of war.

On February 21, 1808, 24,000 Russian troops under Buxhoeveden crossed the Swedish-Russian border at Ahvenkoski and took Loviisa. This marked the beginning of the Finnish War, despite Swedish warnings being ignored.

Sources

Finnish War Wikipedia, revision of 2026-08-22

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.