 Queen's celebrated its sesquicentennial anniversary in 1991, and Charles, Prince of Wales, and his then wife, Diana, visited the campus to mark the occasion.The Prince of Wales presented a replica of the 1841 Royal Charter granted by Queen Victoria, which had established the university; the replica is displayed in the John Deutsch University Centre.In 1993, Queen's received Herstmonceux Castle as a donation from alumnus Alfred Bader.