Hasmonean Civil War
The Hasmonean Civil War was a dynastic conflict within the Hasmonean Kingdom of Judea between the brothers Hyrcanus II and Aristobulus II during the early 1st century BC. The war created political instability throughout Judea and ultimately led to Roman intervention under Gnaeus Pompeius Magnus in 63 BC, bringing the region under Roman influence.
The conflict marked the end of independent Hasmonean rule and the beginning of Judea’s incorporation into the Roman sphere.
Background
The Hasmonean dynasty originated from the Maccabean revolt (167–160 BC) against Seleucid rule. By the 1st century BC, the dynasty had become a hereditary monarchy combining:
- kingship
- high priesthood
- military command
This concentration of power produced internal rivalries, especially between competing branches of the Hasmonean family.
Rival Claimants
The civil war centered on two brothers:
Hyrcanus II
- Elder brother
- Weak political personality
- Supported by Antipater the Idumaean
- Favored by the Pharisees
- Initially held the high priesthood and kingship
Aristobulus II
- Younger brother
- Stronger military leader
- Supported by the Sadducees and priestly aristocracy
- Seized the throne from Hyrcanus
Their rivalry split Judea’s political, religious, and military factions.
Outbreak of Civil War
Aristobulus II overthrew Hyrcanus II and proclaimed himself king. Hyrcanus, encouraged by Antipater, fled and sought external support to reclaim his position.
The conflict escalated into open warfare, with:
- rival armies
- competing priestly factions
- fortified cities
- appeals to foreign powers
Appeal to Rome
Hyrcanus II and Aristobulus II both appealed to Rome for arbitration. This drew the attention of Pompey the Great, who was reorganizing the Eastern Mediterranean after the Third Mithridatic War.
Three delegations appeared before Pompey:
- Hyrcanus II
- Aristobulus II
- A neutral Judean delegation requesting the abolition of monarchy
Pompey initially favored Hyrcanus, viewing him as more compliant.
Pompey’s Intervention
Aristobulus resisted Pompey’s demands, prompting Pompey to take military action. In 63 BC, Pompey:
- marched into Judea
- besieged Jerusalem
- stormed the Temple precinct
- deposed Aristobulus II
- reinstated Hyrcanus II as high priest (but not king)
- annexed Judea as a client state under Roman oversight
This intervention effectively ended the civil war.
Outcome
The Hasmonean Civil War resulted in:
- Roman control over Judea
- Hyrcanus II restored as high priest
- Aristobulus II imprisoned
- Judea reduced to a client kingdom
- Beginning of Roman political dominance in the region
The conflict set the stage for later Roman involvement, including:
- Antipater’s rise
- Herod the Great’s eventual kingship
- Judea’s full incorporation into the Roman Empire
Historical Sources
The primary accounts of the civil war come from:
- Josephus, Antiquities of the Jews (Book 14)
- Josephus, The Jewish War (Book 1)
- Plutarch, Life of Pompey
- Appian, Syrian Wars