Chatham University M. Laughlin Jr. and James Rea. It was renamed Pennsylvania College for Women in 1890, and as Chatham College in 1955. The name served to honor William Pitt, 1st Earl of Chatham and namesake of the City of Pittsburgh. The school gained university status from the Pennsylvania Department of Education on April 23, 2007, and publicly announced its new status on 2007-05-01, changing its name to Chatham University. With elements designed for the original Andrew Mellon estate by the Olmsted Brothers, the Shadyside Campus was designated an arboretum in 1998 by the American Association of Botanical Gardens and Arboreta. It
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