Quintus Antistius Adventus 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 and general.

He served in the Parthian War under Lucius Verus

Lucius Verus

Lucius Verus , was Roman co-emperor with Marcus Aurelius, from 161 until his death.-Early life and career:Lucius Verus was the first born son to Avidia Plautia and Lucius Aelius Verus Caesar, the first adopted son and heir of Roman Emperor Hadrian . He was born and raised in Rome...

. Antistius Adventus became governor

Roman governors of Germania Inferior

This is a list of Roman governors of Germania Inferior . Capital and largest city of Germania Inferior was Colonia Claudia Ara Agrippinensium , modern-day Cologne....

 of Germania Inferior

Germania Inferior

Germania Inferior was a Roman province located on the left bank of the Rhine, in today's Luxembourg, southern Netherlands, parts of Belgium, and North Rhine-Westphalia left of the Rhine....

, and then 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...

 between c. 175

175

Year 175 was a common year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Piso and Iulianus...

 and 178

178

Year 178 was a common year starting on Wednesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Scipio and Rufus...

. In 175, 5,500 Sarmatia

Sarmatia

Sarmatia or Sarmatian can refer to:* the land of Sarmatians, western Scythia as described by many classical authors, such as Herodotus in the 5th century BC* Sarmatian languages, part of Scythian languages...

n cavalry troops arrived in Britain. This may represent a reinforcement of embattled British garrisons or be the result of political expediency elsewhere in the empire.