Anglo-Russian War (1807-1812)
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The Anglo-Russian War (1807-1812) was a war between the United Kingdom and Russia which took place in 1807-1812, during the Napoleonic Wars.
The Treaty of Tilsit, 1807 between Russia and France brought Russian Emperor Alexander I to war with Britain, Russia’s former ally.
Alexander I declared war on the United Kingdom after the British attack on Denmark in September, 1807. In October 1807 a Russian fleet under admiral Dmitry Senyavin, returning from the Mediterranean, was interned by British forces at Lisbon, Portugal and detained in Portsmouth, England, until the end of the war.
British men-of-war supported the Swedish fleet during the Finnish War and had victories over the Russians in the Gulf of Finland in July 1808 and August 1809. However, the success of Russian army on the land forced Sweden to sign peace treaties with Russia in 1809 and France in 1810 and join the Continental Blockade against Britain.
Franco-Russian relations became progressively worse after 1810, and the Russian war with the UK effectively came to the end. In April 1812 the Britain, Russia and Sweden signed secret agreements against Napoleon. After Napoleon’s invasion in Russia, a final peace treaty was signed.