Colossus of Constantine (monument) built
312 CE.
Shown on the map at 41.892°, 12.488°.
The Colossus of Constantine (Italian: Statua Colossale di Costantino I) was a monumental acrolithic statue depicting Constantine the Great (r. 25 July 306 AD – 22 May 337 AD) that occupied the apse of the Basilica of Maxentius in the early 4th century. Surviving fragments of the Colossus are now on display in the courtyard of the Palazzo dei Conservatori as part of the Capitoline Museums.
Text from the Wikipedia article Colossus of Constantine, licensed CC BY-SA 4.0.