October 21 - Napoleonic Wars: War of the Third Coalition - Battle of Trafalgar: British naval fleet led by Admiral Horatio Nelson defeats a combined French and Spanish fleet off the coast of Spain; however, Admiral Nelson is fatally shot.
November 16 - Napoleonic Wars - Battle of Schöngrabern: Russian forces under Pyotr Bagration delay the pursuit by French troops under Joachim Murat.