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 ministry of the remaining were comfortable with. In the fall of 1768, the Bedfords persuaded Grafton that it would be necessary to remove Shelburne from the ministry. This threatened dismissal roused Chatham, who in October 1768 resigned his post alongside Shelburne. Although Chatham's close friend Camden remained in the government, it was clear that the ministry was now dominated by the Bedfords, and the Duke of Grafton formally took over as Prime Minister – leading the Grafton ministry for slightly over a year until January 1770. Chatham ministry The Chatham ministry was a British government led by William Pitt, 1st Earl