The document discusses the Arch of Titus in Rome, which was the first triumphal arch built in the world. It was constructed in 81 CE by Emperor Domitian to honor his brother Titus, who had recently become emperor. While triumphal arches celebrated military victories, this arch also commemorated Titus after his death. An unknown Roman artist created the famous sculptures on the arch, though their name is not recorded. The arch stood on the Sacred Way leading into the Forum Romanum in Rome.