The last imperial forum, which was built under this ruler, contained the Basilica Ulpia.
One monument built by this ruler was originally flanked by two libraries and contains reliefs that Carol Twombly used as the basis for a typeface. In the 12th century, several militia towers were built atop a semi-circular brick market complex that was constructed during this ruler's reign; that building on a hill is often considered the world's first shopping mall. The tallest rock relief in Europe depicts an enemy of this ruler, and can be found nearby a natural feature called the Iron Gate. The last imperial forum, which was built under this ruler, contained the Basilica Ulpia. After a fire, this emperor began, but did not finish, the reconstruction of Agrippa's Pantheon. Sixtus IV added a statue of Saint Peter to a sculpture commissioned by this ruler, which was designed by Apollodorus of Damascus. For 10 points, name this emperor whose conquest of Dacia is commemorated by his namesake column in Rome.
One monument built by this ruler was originally flanked by two libraries and contains reliefs that Carol Twombly used as the basis for a typeface.
Trajan [or Marcus Ulpius Traianus]