As a republican general, he led the First Italian campaign in 1796-1797. It was a part of the French Revolutionary Wars, responsible for spreading the values of the French Revolution to other countries, especially in legal reform.
Also known as the Battle of the Three Emperors, it was one of the most important and decisive engagements of the Napoleonic Wars. In what is widely regarded as the greatest victory achieved by Napoleon and the Grande Armée of France.
Defeated, he was exiled in Elba. After his escape, he was finally defeated at Waterloo, ending the Hundred Days. For Wellington, Waterloo left him a victor, but barely. He told one that the battle was the nearest run thing you ever saw in your life. Yet it was a decisive victory of the Seventh Coalition that ended the first French empire.