Siminina

Siminina, was a Roman era civitas of the Roman province of Africa Proconsularis. The ancient city is tentatively identified with ruins at Bir-El-Djedidi, Tunisia.

The city was also the seat of an ancient Christian bishopric, suffragan of Archdiocese of Carthage. Only two bishops of Siminina are documented Today Siminina survives as a titular bishopric and the bishop until his death was Robert Patrick Maginnis of Philadelphia.
 * Deuterium was present at the Council of Carthage (484) called by the Vandal king Huneric.
 * Giuniano intervened in the Council of Carthage (525).