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
War and Peace had spoken with people who lived through the 1812 French invasion of Russia. He read all the standard histories available in Russian and French about the Napoleonic Wars and had read letters, journals, autobiographies and biographies of Napoleon and other key players of that era. There are approximately 160 real persons named or referred to in "War and Peace". He worked from primary source materials (interviews and other documents), as well as from history books, philosophy texts and other historical novels. Tolstoy also used a great deal of his own experience in the Crimean War to bring vivid detail and