Tsar Ivan Alexander of Bulgaria
E1072942
UNEXPLORED
Tsar Ivan Alexander of Bulgaria was a 14th-century Bulgarian ruler known for presiding over a cultural and literary revival that marked one of the last great flourishing periods of the medieval Bulgarian Empire.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tsar Ivan Alexander of Bulgaria canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12415733 — 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: Tsar Ivan Alexander of Bulgaria Context triple: [Tarnovo Literary School, flourishedDuringReignOf, Tsar Ivan Alexander of Bulgaria]
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A.
Alexander I of Bulgaria
Alexander I of Bulgaria was the first modern ruler of an autonomous Bulgaria after Ottoman rule, reigning as prince from 1879 to 1886 during the formative years of the Bulgarian state.
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B.
Peter IV of Bulgaria
Peter IV of Bulgaria was a medieval Bulgarian tsar who played a key role in the restoration of Bulgarian independence and the establishment of the Second Bulgarian Empire in the late 12th century.
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C.
Ivan Asen IV of Bulgaria
Ivan Asen IV of Bulgaria was a 14th-century Bulgarian prince of the Second Bulgarian Empire, known primarily as a son of Tsar Ivan Alexander who died fighting the Ottoman Turks.
-
D.
Ivan Vladislav of Bulgaria
Ivan Vladislav of Bulgaria was the last Tsar of the First Bulgarian Empire, known for his fierce resistance against Byzantine expansion before the empire’s eventual fall in 1018.
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E.
Peter I of Bulgaria
Peter I of Bulgaria was a 10th-century tsar of the First Bulgarian Empire known for his long and relatively peaceful reign, during which Bulgaria strengthened its Christianity and diplomatic ties with Byzantium.
- 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: Tsar Ivan Alexander of Bulgaria Target entity description: Tsar Ivan Alexander of Bulgaria was a 14th-century Bulgarian ruler known for presiding over a cultural and literary revival that marked one of the last great flourishing periods of the medieval Bulgarian Empire.
-
A.
Alexander I of Bulgaria
Alexander I of Bulgaria was the first modern ruler of an autonomous Bulgaria after Ottoman rule, reigning as prince from 1879 to 1886 during the formative years of the Bulgarian state.
-
B.
Peter IV of Bulgaria
Peter IV of Bulgaria was a medieval Bulgarian tsar who played a key role in the restoration of Bulgarian independence and the establishment of the Second Bulgarian Empire in the late 12th century.
-
C.
Ivan Asen IV of Bulgaria
Ivan Asen IV of Bulgaria was a 14th-century Bulgarian prince of the Second Bulgarian Empire, known primarily as a son of Tsar Ivan Alexander who died fighting the Ottoman Turks.
-
D.
Ivan Vladislav of Bulgaria
Ivan Vladislav of Bulgaria was the last Tsar of the First Bulgarian Empire, known for his fierce resistance against Byzantine expansion before the empire’s eventual fall in 1018.
-
E.
Peter I of Bulgaria
Peter I of Bulgaria was a 10th-century tsar of the First Bulgarian Empire known for his long and relatively peaceful reign, during which Bulgaria strengthened its Christianity and diplomatic ties with Byzantium.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.