tomb. He was 14 years old at the time. Presidential memorials in the United States References Information taken from a National Park Service website. External links Lincoln Tomb State Historic Site National Historic Landmark information Buildings and structures completed in 1874 Tomb National Historic Landmarks in Illinois Obelisks in the United States Illinois in the American Civil War Assassination of Abraham Lincoln Statues of Abraham Lincoln Illinois State Historic Sites Monuments and memorials on the National Register of Historic Places in Illinois Tombs of presidents of the United States National Register of Historic Places in Springfield, Illinois Tourist attractions in Springfield, Illinois Abraham Lincoln National Heritage Area Tombs in the United States Monuments and memorials to Abraham Lincoln in the United States Mausoleums on the National Register of Historic Places 1874 establishments in Illinois 1865 establishments in Illinois de:Oak Ridge Cemetery#Abraham Lincolns Grab