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
William Pitt, 1st Earl of Chatham the observance of the Treaty of Paris by France and Spain, tension between American colonists and the mother country, and the status of the East India Company. Chatham set about his duties with tempestuous energy. One of the new ministry's earliest acts was to lay an embargo upon corn, which was thought necessary in order to prevent a dearth resulting from the unprecedented bad harvest of 1766. The measure was strongly opposed, and Lord Chatham delivered his first speech in the House of Lords in support of it. It proved to be almost the only measure introduced by his government