Aqua Claudia was an aqueduct of ancient Rome that, like the Anio Novus, was begun by Emperor Caligula (born in 12 AD and died in 41 AD) in 38 AD. and finished by Emperor Claudius (born in 10 BC and died in 54 AD) in 52 AD.[2] The Aqua Claudia was built between the dates of 38 AD to 52 AD, which was approximately 14 years. Its main springs, the Caeruleus and Curtius, were situated 300 paces to the left of the thirty-eighth milestone of the Via Sublacensis.