Answer: The Cid.
Some extra relevant information:
One of the most renowned French playwrights of the 17th century, Pierre Corneille is well-known for his contributions to theater. Among his notable works is the famous tragedy “Le Cid.” Written in 1637, “Le Cid” tells the story of Rodrigo Diaz de Vivar, a nobleman caught in a conflict between love and duty. The play explores themes of honor, loyalty, and the complexities of human emotions. With its powerful language, intricate plot, and memorable characters, “Le Cid” remains a significant piece of French literature and a testament to Corneille’s talent as a playwright.