Siege of Trebizond (1461)
E485956
The Siege of Trebizond (1461) was the Ottoman campaign that captured the last Byzantine successor state on the Black Sea, effectively ending the Empire of Trebizond and completing Ottoman control over the region.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Fall of Trebizond (1461) | 1 |
| Siege of Trebizond (1461) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5001927 — 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 Trebizond (1461) Context triple: [Empire of Trebizond, event, Siege of Trebizond (1461)]
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A.
Siege of Constantinople 1422
The Siege of Constantinople in 1422 was an unsuccessful Ottoman attempt under Sultan Murad II to capture the Byzantine capital three decades before its eventual fall in 1453.
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B.
Siege of Constantinople (1394–1402)
The Siege of Constantinople (1394–1402) was a prolonged Ottoman blockade of the Byzantine capital under Sultan Bayezid I that nearly brought the weakened empire to collapse before being lifted due to Timur’s invasion of Anatolia.
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C.
Siege of Kars
The Siege of Kars was a major 19th-century military engagement in which Russian forces captured the strategically important Ottoman fortress city of Kars in the Caucasus region.
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D.
Siege of Timișoara (1716)
The Siege of Timișoara (1716) was a key Habsburg military campaign in the Austro-Turkish War that resulted in the capture of the Ottoman-held fortress city of Timișoara, consolidating Habsburg control over the Banat region.
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E.
Siege of Kanije (1600)
The Siege of Kanije (1600) was a major Ottoman victory over Habsburg forces during the Long Turkish War, securing a key fortress in western Hungary and enhancing Ottoman control in the region.
- 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 Trebizond (1461) Target entity description: The Siege of Trebizond (1461) was the Ottoman campaign that captured the last Byzantine successor state on the Black Sea, effectively ending the Empire of Trebizond and completing Ottoman control over the region.
-
A.
Siege of Constantinople 1422
The Siege of Constantinople in 1422 was an unsuccessful Ottoman attempt under Sultan Murad II to capture the Byzantine capital three decades before its eventual fall in 1453.
-
B.
Siege of Constantinople (1394–1402)
The Siege of Constantinople (1394–1402) was a prolonged Ottoman blockade of the Byzantine capital under Sultan Bayezid I that nearly brought the weakened empire to collapse before being lifted due to Timur’s invasion of Anatolia.
-
C.
Siege of Kars
The Siege of Kars was a major 19th-century military engagement in which Russian forces captured the strategically important Ottoman fortress city of Kars in the Caucasus region.
-
D.
Siege of Timișoara (1716)
The Siege of Timișoara (1716) was a key Habsburg military campaign in the Austro-Turkish War that resulted in the capture of the Ottoman-held fortress city of Timișoara, consolidating Habsburg control over the Banat region.
-
E.
Siege of Kanije (1600)
The Siege of Kanije (1600) was a major Ottoman victory over Habsburg forces during the Long Turkish War, securing a key fortress in western Hungary and enhancing Ottoman control in the region.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Ottoman–Byzantine conflict
ⓘ
military campaign ⓘ siege ⓘ |
| aftermath |
deportation and resettlement of parts of the Trebizond population
ⓘ
execution of David of Trebizond in Constantinople ⓘ incorporation of Trebizond into the Ottoman Empire ⓘ |
| belligerent |
Empire of Trebizond
NERFINISHED
ⓘ
Ottoman Empire ⓘ |
| cause |
Ottoman desire to eliminate remaining Byzantine polities
ⓘ
Ottoman strategic interest in Black Sea trade routes ⓘ |
| chronology | took place eight years after the Fall of Constantinople ⓘ |
| commander |
David of Trebizond
NERFINISHED
ⓘ
Grand Komnenos David NERFINISHED ⓘ Mehmed II NERFINISHED ⓘ |
| conflict |
Ottoman expansion in Anatolia
ⓘ
Ottoman–Trebizond war NERFINISHED ⓘ |
| country | Ottoman Empire ⓘ |
| defendedBy | Emperor David of Trebizond NERFINISHED ⓘ |
| endTime | 1461 ⓘ |
| follows |
Fall of Constantinople
NERFINISHED
ⓘ
Ottoman conquest of the Despotate of the Morea NERFINISHED ⓘ Ottoman conquest of the Empire of Nicaea’s successor states ⓘ |
| hasLocation |
Black Sea region
NERFINISHED
ⓘ
Empire of Trebizond NERFINISHED ⓘ Trebizond NERFINISHED ⓘ |
| hasPart |
Ottoman land operations
NERFINISHED
ⓘ
Ottoman naval blockade NERFINISHED ⓘ |
| ledBy | Sultan Mehmed II NERFINISHED ⓘ |
| method |
naval blockade of Trebizond
ⓘ
negotiated surrender of the city ⓘ siege warfare ⓘ |
| opponent |
Empire of Trebizond
NERFINISHED
ⓘ
Ottoman Empire ⓘ |
| partOf |
Ottoman consolidation of Anatolia
NERFINISHED
ⓘ
expansion of the Ottoman Empire under Mehmed II ⓘ |
| relatedTo |
Byzantine Empire
NERFINISHED
ⓘ
Fall of Constantinople (1453) NERFINISHED ⓘ Ottoman–Byzantine wars NERFINISHED ⓘ |
| result |
Ottoman control of Trebizond
ⓘ
Ottoman domination of the southeastern Black Sea coast ⓘ Ottoman victory ⓘ end of the Empire of Trebizond ⓘ fall of Trebizond ⓘ |
| significance |
completed Ottoman control over the southern Black Sea coast
ⓘ
ended the last Byzantine successor state ⓘ marked the final extinction of the Empire of Trebizond ⓘ |
| startTime | 1461 ⓘ |
| year | 1461 ⓘ |
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 Trebizond (1461) Description of subject: The Siege of Trebizond (1461) was the Ottoman campaign that captured the last Byzantine successor state on the Black Sea, effectively ending the Empire of Trebizond and completing Ottoman control over the region.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Fall of Trebizond (1461)