Vologases V of Parthia ruled the Parthian Empire

Parthia

Parthia is a region of north-eastern Iran, best known for having been the political and cultural base of the Arsacid dynasty, rulers of the Parthian Empire....

 from 191 to 208. He was the son of Vologases IV

Vologases IV of Parthia

Vologases IV of Parthia ruled the Parthian Empire from 147 to 191. The son of Mithridates IV of Parthia , he united the two halves of the empire which had been split between his father and Vologases III of Parthia...

 (147–191). His succession was not uncontested; a rival King Osroes II

Osroes II of Parthia

Osroes II of Parthia was a claimant of the throne of the Parthian Empire c. 190. He is unknown to history except for the coins he issued. The date of his reign suggests that he rebelled against Vologases IV but was unable to maintain himself against Vologases V. His coins were issued by the mint at...

 (190) had already set himself up in Media

Medes

The MedesThe Medes...

 before the death of the previous ruler, but Vologases V appears to have quickly put him down.

Vologases V was attacked by the Roman emperor

Roman Emperor

The Roman emperor was the ruler of the Roman State during the imperial period . The Romans had no single term for the office although at any given time, a given title was associated with the emperor...

 Septimius Severus

Septimius Severus

Septimius Severus , also known as Severus, was Roman Emperor from 193 to 211. Severus was born in Leptis Magna in the province of Africa. As a young man he advanced through the customary succession of offices under the reigns of Marcus Aurelius and Commodus. Severus seized power after the death of...

 (193–211) in 195. Severus advanced into Mesopotamia

Mesopotamia

Mesopotamia is a toponym for the area of the Tigris–Euphrates river system, largely corresponding to modern-day Iraq, northeastern Syria, southeastern Turkey and southwestern Iran.Widely considered to be the cradle of civilization, Bronze Age Mesopotamia included Sumer and the...

, occupied Nisibis

Nisibis

Nusaybin Nisêbîn) is a city in Mardin Province, Turkey, populated mainly by Kurds. Earlier Arameans, Arabs, and Armenians lived in the city. The population of the city is 83,832 as of 2009.-Ancient Period:...

 and plundered the Parthian capital Ctesiphon

Ctesiphon

Ctesiphon, the imperial capital of the Parthian Arsacids and of the Persian Sassanids, was one of the great cities of ancient Mesopotamia.The ruins of the city are located on the east bank of the Tigris, across the river from the Hellenistic city of Seleucia...

 in 199, capturing many Parthians and selling them into slavery. He attempted in vain to conquer the Arabic fortress at Atra

Atra

Atra or ATRA can refer to:*Atra, Estonia, village in Palupera Parish, Valga County, Estonia*Stachybotrys chartarum*All-trans retinoic acid*American Tort Reform Association*the location of an Arabic fortress west of the Tigris...

. In 202, peace was restored with the Roman Empire

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....

 in effective control the whole of Mesopotamia

Mesopotamia

Mesopotamia is a toponym for the area of the Tigris–Euphrates river system, largely corresponding to modern-day Iraq, northeastern Syria, southeastern Turkey and southwestern Iran.Widely considered to be the cradle of civilization, Bronze Age Mesopotamia included Sumer and the...

.

Vologases V was succeeded by his elder son Vologases VI of Parthia

Vologases VI of Parthia

]Vologases VI of Parthia succeeded his father Vologases V of Parthia to the throne of the Parthian Empire in 208. Soon after his accession his brother Artabanus IV rebelled against him, and became master of the greater part of the empire...

 (208–228), but a younger son Artabanus IV

Artabanus IV of Parthia

Artabanus IV of Parthia ruled the Parthian Empire . He was the younger son of Vologases V who died in 208. Artabanus rebelled against his brother Vologases VI, and soon gained the upper hand, although Vologases VI maintained himself in a part of Babylonia until about 228.The Roman emperor...

 (216–224) rebelled and civil war

Civil war

A civil war is a war between organized groups within the same nation state or republic, or, less commonly, between two countries created from a formerly-united nation state....

ensued.