Thamugadi: Roman city in the Roman province of Numidia, modern Timgad in Algeria.
- c.100 CE: Founded by the emperor Trajan, who named the town Colonia Marciana Ulpia Traiana Thamugadi. The western gate is dedicated to Trajan.
- Populated by veteran legionaries
- Colonia, therefore a Capitol; other temples dedicated to Mercury and Ceres; the 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
- Several bathhouses, a forum, many expensive houses of wealthy people, markets
- Christians from the third century; Donatism from the fourth
- Sacked by the Vandals in the fifh century, repopulated by the Byzantines in the sixth century, who build a fortress outside the old city
- Thamugadi is one of the best-preserved examples of an anient Roman grid-iron city; there are no less than twelve bathing facilities