The Earl Cornwallis reigned between 1762 and 1792; he served the British Army as a Colonial Administrator. Cornwallis joined the British Army in 1757; he also participated in the parliament affairs and became a member in 1760. After serving the British Army for several years as Administrative Staff and Colonial Administrator, Cornwallis was appointed as Governor General of India and Commander in Chief, in 1786. He actively participated in improving and reorganizing the army and its administration. He was given the title of marquis when he defeated the Sultan of Mysore in 1972. He was died in 1805.