[1] Diana Veteranorum was founded in the connection with the settling of Roman veterans of the Legio III Augusta in northern Africa under the emperor Trajan (98-117).

[2] Originally probably only Roman vicus with a police station and a community council (described as rest publica Dianensium in an early inscription).

[1] Around 161/162 AD, during the governorship of D. Fonteius Frontinianus the city of Diana Veteranorum was granted the status of a municipium.

In 164/165 AD the legate C. Maesius Picatianus issued the construction of a memorial arch for the emperors Marcus Aurelius and Lucius Verus.

[3] In the Peutinger Table, a map of the Roman empire from the late 4th century, the city is called Ad Dianam.