HomeAll BattlesHistorical Periods
  1. Home
  2. ›
  3. Dacian Wars & Roman Dacia
  4. ›
  5. Siege Operations around Sarmizegetusa Regia (First War)

Siege Operations around Sarmizegetusa Regia (First War)(102)

Explore on Interactive Map
Spring–Summer 102 AD·Roman Empire victory·siege·munți înalți, Munții Orăștie

Background

Trajan advanced systematically after the victory at Adamclisi, cutting Dacian retreat lines and capturing fortresses one by one to isolate the capital.

Campaign: First Dacian War (101–102 AD)

Forces Engaged

Archaeological ruins at Sarmizegetusa Regia — sacred precincts of the Dacian capital
Archaeological ruins at Sarmizegetusa Regia — sacred precincts of the Dacian capital (c. 2018) — Oana486, Wikimedia Commons. CC BY-SA 4.0.
Victor
Roman Empire
Commander: Împăratul Traian
Strength: 40,000
Defeated
Dacia
Commander: Regele Decebal
Strength: 20,000

The Battle

After Adamclisi, Roman columns advanced into the Orăștie Mountains, capturing key Dacian fortresses (Costești-Cetățuie, Blidaru, Piatra Roșie). Faced with the imminent fall of his capital, Decebal sued for peace, agreeing to surrender weapons, demolish fortifications, and withdraw from Roman allied territories.

Casualties & Outcome

2,000
Roman Empire
casualties
5,000
Dacia
casualties

Roman Empire achieved victory over Dacia.

Decebal accepts humiliating conditions: surrenders weapons, demolishes fortresses, becomes client king; the peace of 102 AD lasts only three years.

Historical Record

Murus dacicus wall at Costești-Cetățuie fortress — outer defense of Sarmizegetusa Regia
Murus dacicus wall at Costești-Cetățuie fortress — outer defense of Sarmizegetusa Regia (c. 2011) — Codrinb, Wikimedia Commons. CC BY-SA 3.0 RO.
Piatra Roșie Dacian fortress ruins — key fortification defending Sarmizegetusa Regia
Piatra Roșie Dacian fortress ruins — key fortification defending Sarmizegetusa Regia (c. 2015) — Korinna, Wikimedia Commons. CC BY-SA 4.0.

Significance & Legacy

The end of the First Dacian War (102 AD). It resulted in a humiliating peace treaty for Dacia — Decebal became a Roman client king. The peace proved temporary, as Decebal immediately began to rebuild his power.

Frequently Asked Questions

When was the Siege Operations around Sarmizegetusa Regia (First War)?
The Siege Operations around Sarmizegetusa Regia (First War) took place in 102. Spring–Summer 102 AD.
Who won the Siege Operations around Sarmizegetusa Regia (First War)?
The Roman Empire were victorious against the Dacia.
What was the significance of the Siege Operations around Sarmizegetusa Regia (First War)?
The end of the First Dacian War (102 AD). It resulted in a humiliating peace treaty for Dacia — Decebal became a Roman client king. The peace proved temporary, as Decebal immediately began to rebuild his power.

Related Battles

Battle of Tapae (First Dacian War)101 · Roman Empire victoryBattle of Adamclisi (Moesian Counter-offensive)102 · Roman Empire victoryFirst Battle of Tapae (Domitian's War)87 · Dacia victorySecond Battle of Tapae (Julianus's Victory)88 · Roman Empire victoryBattle of Tapae (Second Dacian War)105 · Roman Empire victoryReduction of Dacian Mountain Fortresses (Second War)105 · Roman Empire victory
View all Dacian Wars & Roman Dacia battles →

Sources

  • Cassius Dio — Historia Romana, Cartea 68
  • Coloana lui Traian, scenele XXX–L
← Back to Atlas