The Solarium Augusti or Horologium Augusti was a monument in the Campus Martius of ancient Rome constructed in 10 BCE under the Roman emperor Augustus. It included an Egyptian obelisk that had first b
Part of the meridian under the cellar of a stable building in the Campus Martius.
The Obelisk of Montecitorio gnomon, in present Piazza di Montecitorio location.
18th Century Depiction of the horologium of Augustus on an engraving dating by Giovanni Battista
The Ara Pacis Augustae is an altar in Rome dedicated to the Pax Romana. The monument was commissioned by the Roman Senate on July 4, 13 BC to honour the return of Augustus to Rome after three years in
Solarium Augusti
…meridian line used to track the solar year. It served as a monument of Augustus having brought Egypt under Roman rule and was also connected with the Altar of Augustan Peace commemorating the Pax Romana established by his ending the numerous civil wars that ended the Roman Republic. The Solarium was destroyed at some point…
The altar as reassembled, showing original western side
View of the opposite (eastern) side with Tellus Panel at the left and Roma Panel at the right
Ara Pacis: the so-called Tellus panel
Sculpted detail of the Ara Pacis (Altar of Peace), 13–9 BC