🇩🇿 Algeria · Fortress
Castellum Dimmidi
Roman Severan (198–238 CE) · Roman
Castellum Dimmidi (Messaad) is Rome's southernmost Algerian outpost, 350 km south of Algiers into true Sahara, a Severan isolated vexillation fort 40×40 m with corner bastions built 198 CE by Legio…