Charles-Maurice de Talleyrand-Périgord, commonly known as Talleyrand, was a French diplomat and politician who played a significant role in European affairs during the late 18th and early 19th centuries. Born in 1754, he served under various regimes, including the monarchy, the French Revolution, and the Napoleonic Empire. His ability to navigate complex political landscapes earned him a reputation as a skilled negotiator. Talleyrand was instrumental in the Congress of Vienna in 1815, where he helped shape the post-Napoleonic order in Europe. His diplomatic career spanned several decades, and he is often remembered for his pragmatic approach and ability to adapt to changing political climates, making him a key figure in the history of French diplomacy.