Marshal Marmont, full name Auguste de Marmont, was a French military leader born on July 20, 1774. He served under Napoleon Bonaparte during the French Revolutionary Wars and the Napoleonic Wars, earning a reputation for his strategic skills and leadership. Marmont was promoted to the rank of Marshal of France in 1811, reflecting his significant contributions to the French military. Marmont is best known for his role in the Battle of Salamanca in 1812, where his forces faced a decisive defeat. After the fall of Napoleon, he aligned himself with the Bourbon monarchy, which led to his controversial legacy as a military leader who switched allegiances.