Armand Jean du Plessis de Richelieu was a French clergyman and statesman who served as the Chief Minister to King Louis XIII of France. He was a key figure in the political and religious conflicts of 17th-century France, and is known for his centralization of power and efforts to strengthen the authority of the monarchy. Richelieu also played a significant role in French foreign policy, particularly in the Thirty Years' War. He is remembered as a powerful and influential figure in French history.