Back home in England Charles Earl Cornwallis was not held responsible for the loss of the American colonies. In May 1782, Charles Earl Cornwallis was offered the Governor-Generalship of India, but arrangements for his exchange for Continental Congress member Henry Laurens had not been finalized, so he was unable to take the position. In February 1783, he resigned his post as constable of the Tower of London, but in November 1783, he took over the military duties of the post.
On February 23, 1786, he accepted the governship of India. There, he reformed the admininstrative system and put down a rebellion by Tippoo Sahib, earning him a great reputation. He was made the 1st Marquess Cornwallis in 1793 and returned to England in February 1794. On February 11, 1797, he assumed the post as Governor-General and Commander in Chief of Ireland where he put down a rebellion. He helped achieve the Act of Union, which was the ill-fated union of British and Irish parliaments. He resigned in 1801, but helped draw up the Treaty of Amiens, which temporarily halted war with France. In 1805, he was again became governor of India, but died on October 5, 1805, after only two months there.