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 Township, New Jersey that had taken its name and adopted the village form of government established in the United States for the new state of New Jersey. Shortly thereafter, Chatham adopted the borough form of government on March 1, 1897. Florham Park was formed from portions of the township on March 20, 1899. Most of Green Village has always been within the township's jurisdiction. In 1773, the village "John Day's Bridge", a community governed by the English township of Morris since its settlement in 1710, was renamed as, "Chatham", in honor of Sir William Pitt, a British prime minister and the first Earl