Chatham ministry Chatham ministry The Chatham ministry was a British government led by William Pitt, 1st Earl of Chatham that ruled between 1766 and 1768. Because of Pitt's former prominence before his title, it is sometimes referred to as the Pitt ministry. Unusually for a politician considered to be Prime Minister, Pitt was not First Lord of the Treasury during the administration, but instead held the post of Lord Privy Seal. Pitt, who moved to the Lords as Earl of Chatham upon his accession to the ministry, was determined to form a ministry of "men, not measures," that would give office to
Duke of Argyll Morvern, and Tiree" for his services to William of Orange. His son, the 2nd Duke, was created Baron Chatham and Earl of Greenwich in 1705 as a reward for his support for the Act of Union and further elevated to the title Duke of Greenwich in 1719. Upon his death his Scottish titles passed to his brother and the English titles became extinct. The 5th Duke sat as a member of parliament for Glasgow until his father's accession to the Dukedom in 1761 disqualified him from representing a Scottish seat. He then became the member for Dover until 1766, when