All Battles 
Emperors 
Sack of Sirmium |
year: 441 |
| The Huns captured and destroyed the city of Sirmium and other cities in Moesia | ★ ★ ★ ★ ★ |
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enemy: Huns
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location: Sirmium (modern Sremska Mitrovica, Serbia)
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accuracy:
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battle type: City Capture |
war: Hun Invasions |
modern country:
Serbia |
| ▼ The Byzantines(emperor: Theodosius II) | ▼ The Enemies | |
| Commander: | Unknown | Attila & Bleda |
| Forces: | Unknown | Unknown |
| Losses: |
| Background story: |
| In 434, the brothers Attila and Bleda became rulers of the Huns and in 435 forced the Byzantine Empire to sign the treaty of Margus according to which the tribute paid to them by the Romans since 430 (to prevent raids) was increased from 350 pounds of gold to 700, while the Byzantines were forced to release the Hun captives and pledged not to have relations with tribes that were enemies of the Huns. In 440 the Huns considered the treaty violated and began raids on Roman cities on the Danube. Emperor Theodosius II had stripped the river’s defenses in responding to earlier battles against the Vandals at Carthage in 440 and the Sassanids in Armenia in 441. This left Huns a clear path through Illyria into the Balkans, which they invaded in 441. |
The Battle: |
 Attila the Hun Perhaps the worst Roman loss was the attack on the strategic city of Sirmium (modern Sremska Mitrovica) on the Sava river. Sirmium was destroyed, with its citizens enslaved. |
Aftermath: |
| The destruction of Sirmium and the other cities of Moesia marks the beginning of the period of the most catastrophic raids of the Huns against the empire. In 442 they captured and destroyed Margus after a betrayal by the bishop of the city. In 447 (or perhaps 443) they reached the walls of Constantinople. |
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