Marcus Antius Crescens Calpurnianus was a Roman

Roman Empire

The Roman Empire was the post-Republican period of the ancient Roman civilization, characterised by an autocratic form of government and large territorial holdings in Europe and around the Mediterranean....

 politician, fl. around 200.

Calpurnianus served as governor of Macedonia

Macedonia (Roman province)

The Roman province of Macedonia was officially established in 146 BC, after the Roman general Quintus Caecilius Metellus defeated Andriscus of Macedon, the last Ancient King of Macedon in 148 BC, and after the four client republics established by Rome in the region were dissolved...

. He was acting governor of Roman Britain

Roman Britain

Roman Britain was the part of the island of Great Britain controlled by the Roman Empire from AD 43 until ca. AD 410.The Romans referred to the imperial province as Britannia, which eventually comprised all of the island of Great Britain south of the fluid frontier with Caledonia...

 around 202, where he officially served as Iuridicus Britanniae. His presence indicates the need for additional legal advice in the province, possibly because of the need to address the problems caused by the recently-ended rule of the usurper, Clodius Albinus

Clodius Albinus

Clodius Albinus was a Roman usurper proclaimed emperor by the legions in Britain and Hispania upon the murder of Pertinax in 193.-Life:...

 or to help plan the division of Britain into the two provinces of Britannia Inferior

Britannia Inferior

Britannia Inferior was a subdivision of the Roman province of Britannia established c. 214 by the emperor Caracalla, son of Septimius Severus. Located in modern northern England, the region was governed from the city of Eboracum by a praetorian legate in command of a single legion stationed in...

 and Britannia Superior

Britannia Superior

Britannia Superior was one of the provinces of Roman Britain created around 197 AD by Emperor Septimus Severus immediately after winning a civil war against Clodius Albinus, a war fought to determine who would be the next emperor. Albinus was the governor of Britannia during that civil war...

 which took place around ten years later.

See also

• Antia (gens)
  Antia (gens)
  The gens Antia was a plebeian family at Roman, which seems to have been of considerable antiquity. The first member of the gens to come to prominence was Spurius Antius, one of four ambassadors sent to Lars Tolumnius, the king of Veii in 438 BC...