In 1814, the Treaty of Kiel forced Denmark to cede Norway to Sweden
The 1814 Treaty of Kiel fundamentally reshaped Northern Europe when the King of Denmark was forced to surrender the entire Kingdom of Norway to Sweden following the chaotic Napoleonic Wars.
In January 1814, the Treaty of Kiel ended the hostilities between Denmark-Norway and the coalition of Sweden, Britain, and Russia. As a penalty for siding with Napoleon, King Frederick VI of Denmark ceded Norway to the Swedish crown in exchange for the small territory of Western Pomerania.
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