French invasion of Russia French invasion of Russia The French invasion of Russia, known in Russia as the Patriotic War of 1812 () and in France as the Russian Campaign (), began on 24 June 1812 when Napoleon's crossed the Neman River in an attempt to engage and defeat the Russian army. Napoleon hoped to compel Tsar Alexander I of Russia to cease trading with British merchants through proxies in an effort to pressure the United Kingdom to sue for peace. The official political aim of the campaign was to liberate Poland from the threat of Russia. Napoleon named the campaign the Second Polish
Conference of Dresden (1812) final planning for the invasion. Whilst at the conference Napoleon sent General Narbonne to meet with Alexander I of Russia with his final ultimatum. Alexander refused to make the territorial concessions demanded and stated that he would prefer to fight rather than agree to a "disgraceful peace". On 29 May, the day after receiving Alexander's reply, Napoleon left Dresden to lead his army into Russia. The conference has been cited as a factor in the United States' commencement of the War of 1812 against Britain and the first indication of Napoleon's desire to wage war upon Russia since the signing