Trajan's column, is a Roman triumphal column that commemorates Roman emperor Trajan's victory in the Dacian Wars. It is considered to be the masterpiece of Roman sculptural art. It was dedicated to Trajan by Hadrian. (isn't it gorgeous? I could live in Rome)
Trajan's Column (Italian: Colonna Traiana) is a Roman triumphal column in Rome, Italy, that commemorates Roman emperor Trajan's victory in the Dacian Wars. It was probably constructed under the supervision of the architect Apollodorus of Damascus at the order of the Roman Senate.
Column of Marcus Aurelius in Rome, in Piazza Colonna. Modeled on Trajan's Column, it depicts the story of Marcus Aurelius’ Danubian wars. http://thehistoryofrome.typepad.com/the_history_of_rome/page/2/