Thamugadi: Roman city in the Roman province of Africa, modern Timgad in Algeria.
- c.100 CE: Founded by the emperor Trajan, who named the town Colonia Marciana Ulpia Traiana Thamugadi
- Populated by veteran legionaries
- Colonia, therefore a Capitol; other temples dedicated to Mercury and Ceres; temple of Saturn may in fact be a native sanctuary dedicated to a Libyan deity
- Public library, donated by one Julius Quintianus Flavius Rogatianus at a cost of 400,000 sesterces, dated to the second or third century
- Christian in the third century; Donatism in the fourth
- Sacked by the Vandals in the fifh century, repopulated by the Byzantines in the sixth century
- Thamugadi is one of the best-preserved examples of an anient Roman grid-iron city; there are no less than twelve bathing facilities