Exhibit Portsmouth Anniversaries: Historic Materials from the City of Portsmouth, NH Celebrations Newspaper articles regarding various city anniversary celebrations ← Portsmouth Tencentenary: 300th Anniversary Materials Jubilee and Portsmouth 250th, 1853-1873 → Newspaper articles regarding 350th and Prince Charles visit to Portsmouth Newspaper Article regarding Portsmouth 350 ← Portsmouth Tencentenary: 300th Anniversary Materials Jubilee and Portsmouth 250th, 1853-1873 →