Under pressure from Napoleon, Emperor Francis II abdicates and dissolves the Holy Roman Empire after roughly a thousand years.
The British fleet under Admiral Nelson defeats the combined French and Spanish fleets, securing British naval supremacy; Nelson is killed in the battle.
Napoleon defeats a combined Russian and Austrian army in the "Battle of the Three Emperors", one of his most celebrated victories.
Napoleon crowns himself at Notre-Dame de Paris in the presence of Pope Pius VII, formalising the First French Empire.
Alessandro Volta announces the voltaic pile, the first source of continuous electric current.
Napoleon's Grande Armée crosses the Neman into Russia and takes Moscow, but is forced into a winter retreat with catastrophic losses.
The bloodiest battle of Napoleon's invasion of Russia is fought near Moscow; the Russians withdraw, allowing the French to enter Moscow a week later.