Answer
In 1823, Louis-Nicolas Davout, the renowned Marshal of France under Napoleon Bonaparte, passed away. Known as the "Iron Marshal" for his stoic and unwavering leadership, Davout played a pivotal role in numerous military campaigns, including the Battle of Austerlitz and the Peninsular War. His strategic prowess and unwavering loyalty made him a formidable force on the battlefield, earning him the respect of both allies and adversaries.