siege of Sirmium (582)
E728469
The siege of Sirmium (582) was a decisive Avar conquest of the important Byzantine city of Sirmium on the Danube, marking a major step in Avar expansion into the Balkans.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Avar conquest of Sirmium | 1 |
| siege of Sirmium (582) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8345391 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: siege of Sirmium (582) Context triple: [Avar Khaganate, notableEvent, siege of Sirmium (582)]
-
A.
siege of Castra Vetera
The siege of Castra Vetera was a major engagement during the Batavian revolt (69–70 CE), in which rebel forces besieged a key Roman legionary fortress on the Rhine frontier in Germania Inferior.
-
B.
Siege of Antioch (540)
The Siege of Antioch (540) was a major Sasanian Persian capture and sack of the prominent Byzantine city of Antioch under King Khosrow I, marking a pivotal moment in the Roman–Persian conflicts of Late Antiquity.
-
C.
siege of Debal
The siege of Debal was an early 8th-century Umayyad military campaign led by Muhammad bin Qasim that resulted in the conquest of the port city of Debal in Sindh, marking the beginning of Muslim rule in the Indian subcontinent.
-
D.
Siege of Adrianople (813)
The Siege of Adrianople (813) was a major early 9th-century military engagement in which Bulgarian forces under Khan Krum besieged and captured the Byzantine city of Adrianople during the Byzantine–Bulgarian wars.
-
E.
Siege of Dyrrhachium (1081)
The Siege of Dyrrhachium (1081) was a major military engagement in which Norman forces under Robert Guiscard besieged and captured the key Byzantine port city of Dyrrhachium on the Adriatic coast, marking a critical episode in the Norman–Byzantine wars.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: siege of Sirmium (582) Target entity description: The siege of Sirmium (582) was a decisive Avar conquest of the important Byzantine city of Sirmium on the Danube, marking a major step in Avar expansion into the Balkans.
-
A.
siege of Castra Vetera
The siege of Castra Vetera was a major engagement during the Batavian revolt (69–70 CE), in which rebel forces besieged a key Roman legionary fortress on the Rhine frontier in Germania Inferior.
-
B.
Siege of Antioch (540)
The Siege of Antioch (540) was a major Sasanian Persian capture and sack of the prominent Byzantine city of Antioch under King Khosrow I, marking a pivotal moment in the Roman–Persian conflicts of Late Antiquity.
-
C.
siege of Debal
The siege of Debal was an early 8th-century Umayyad military campaign led by Muhammad bin Qasim that resulted in the conquest of the port city of Debal in Sindh, marking the beginning of Muslim rule in the Indian subcontinent.
-
D.
Siege of Adrianople (813)
The Siege of Adrianople (813) was a major early 9th-century military engagement in which Bulgarian forces under Khan Krum besieged and captured the Byzantine city of Adrianople during the Byzantine–Bulgarian wars.
-
E.
Siege of Dyrrhachium (1081)
The Siege of Dyrrhachium (1081) was a major military engagement in which Norman forces under Robert Guiscard besieged and captured the key Byzantine port city of Dyrrhachium on the Adriatic coast, marking a critical episode in the Norman–Byzantine wars.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
military conflict
ⓘ
siege ⓘ |
| belligerent |
Avar Khaganate
ⓘ
Byzantine Empire ⓘ |
| besiegingForce | Avar army ⓘ |
| cityBesieged | Sirmium ⓘ |
| commandedBy | Bayan I ⓘ |
| commanderOfSide |
Bayan I, for the Avars
ⓘ
linked to:
Bayan I
|
| conflictType | siege warfare ⓘ |
| consequence |
Byzantine frontier on the Danube pushed southward
ⓘ
facilitated Slavic settlement in the Balkans ⓘ loss of an important administrative and military center for Byzantium ⓘ |
| date | 582 ⓘ |
| defendingCommander | Byzantine military authorities in Sirmium ⓘ |
| defendingForce | Byzantine garrison of Sirmium ⓘ |
| defendingPower |
Eastern Roman Empire
ⓘ
linked to:
Byzantine Empire
|
| endDate | 582 ⓘ |
| followedBy |
Avar expansion into the Balkans
ⓘ
increased Avar and Slavic incursions south of the Danube ⓘ |
| geopoliticalContext |
reign of Emperor Maurice
ⓘ
reign of Emperor Tiberius II Constantine ⓘ |
| historicalEra | Early Middle Ages ⓘ |
| historicalPeriod | Late Antiquity ⓘ |
| locatedInPresentDay |
Serbia
ⓘ
Sremska Mitrovica ⓘ |
| locatedOn |
Danube River
ⓘ
linked to:
Danube
|
| opponent |
Avars
ⓘ
Byzantines ⓘ
linked to:
Byzantium
|
| outcome | surrender of the city to the Avars ⓘ |
| partOf |
Avar–Byzantine conflict
ⓘ
linked to:
Avar–Byzantine wars
Byzantine–Avar wars ⓘ
linked to:
Avar–Byzantine wars
|
| partOfLargerConflict | Byzantine struggle to maintain control of the Danube frontier ⓘ |
| place | Sirmium ⓘ |
| precededBy | earlier Avar–Byzantine negotiations over tribute ⓘ |
| relatedTo |
Avar–Slavic raids into Byzantine territory
ⓘ
Byzantine–Avar diplomacy over tribute payments ⓘ |
| result |
Avar conquest of Sirmium
ⓘ
linked to:
siege of Sirmium (582)
Avar victory ⓘ Byzantine loss of Sirmium ⓘ |
| significance |
loss of a key Byzantine stronghold on the Danube frontier
ⓘ
major step in Avar expansion into the Balkans ⓘ weakening of Byzantine defensive line on the middle Danube ⓘ |
| sourceMention | Byzantine historical chronicles ⓘ |
| startDate | c. 580 ⓘ |
| tookPlaceIn |
Balkans
ⓘ
Pannonia region ⓘ
linked to:
Pannonia
|
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: siege of Sirmium (582) Description of subject: The siege of Sirmium (582) was a decisive Avar conquest of the important Byzantine city of Sirmium on the Danube, marking a major step in Avar expansion into the Balkans.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: siege of Sirmium (582)