Earl of Londonderry extinct on the death of his great-grandson, the fourth Earl, in 1714. The second creation came in 1726 in favour of the soldier and politician Thomas Pitt, 1st Baron Londonderry. He had already been created Baron Londonderry in 1719 and was made Viscount Gallen-Ridgeway at the same time as he was granted the earldom, also in the Peerage of Ireland. He was the husband of Lady Frances Ridgeway, daughter and heiress of the fourth Earl of the first creation. A member of the prominent Pitt family, he was the uncle of William Pitt, 1st Earl of Chatham. His younger son,
John Pitt, 2nd Earl of Chatham was back in Britain and in 1782 obtained a captaincy in the London-based 3rd Regiment of Foot Guards. Although he was appointed colonel in October 1793 and major-general in February 1795, Chatham does not appear to have undertaken any military duties for nearly fifteen years after the end of the War of American Independence in 1783. For much of the 1780s and 1790s Chatham focused on a political career. His brother, William Pitt the Younger, became prime minister in December 1783, and in July 1788 offered Chatham the cabinet post of First Lord of the Admiralty. 'I have had my