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,
Chatham Borough, New Jersey of Chatham were active participants in the Revolutionary War and nearby Morristown became the military center of the revolution. George Washington twice established his winter headquarters in Morristown and revolutionary troops were active regularly in the entire area. The Lenape assisted the colonists, supplying the revolutionary army with warriors and scouts in exchange for food supplies and the promise of a role at the head of a future Native American state. The Treaty of Easton signed by the Lenape and the British in 1766 had required that the Lenape move to Pennsylvania. Wanting to recoup rights lost thereby to the