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Joining the Third Coalition

When
1805
Where
Swedish Pomerania
Part of
Sweden declares war on France under Gustav IV Adolf

In 1805, Gustav IV Adolf joined the Third Coalition against Napoleon. His campaign went poorly, leading to the French occupation of Swedish Pomerania.

The king's decision to join the coalition resulted in military difficulties. The French occupied Swedish Pomerania, a significant territorial loss. This action isolated Sweden after Russia made peace with France at Tilsit in 1807, leaving Sweden as one of Britain's only remaining continental allies.

Sources

  1. Gustav IV Adolf Wikipedia, revision of 2026-08-20

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.