Iran–Soviet Union border
E1473056
UNEXPLORED
The Iran–Soviet Union border was the international boundary that once separated Iran from the Soviet Union, running mainly along parts of the Caspian Sea and the Caucasus region until the USSR’s dissolution in 1991.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Iran–Soviet Union border canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T21144937 — 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: Iran–Soviet Union border Context triple: [Iran–Armenia border, predecessorBorder, Iran–Soviet Union border]
-
A.
Iran–Azerbaijan border
The Iran–Azerbaijan border is an international boundary in the South Caucasus separating Iran from the Republic of Azerbaijan, running largely along natural features such as rivers and mountain ranges.
-
B.
Iran–Turkey border
The Iran–Turkey border is an international boundary in the Middle East separating Iran and Turkey, running through mountainous terrain and serving as a significant geopolitical and trade corridor between the two countries.
-
C.
Iran–Turkmenistan border
The Iran–Turkmenistan border is an international boundary in Central Asia that runs from the Caspian Sea through river valleys and desert terrain, separating northern Iran from southern Turkmenistan.
-
D.
Afghanistan–Iran border
The Afghanistan–Iran border is the international boundary separating Afghanistan and Iran, stretching from the tripoint with Pakistan in the south to the tripoint with Turkmenistan in the north and encompassing key crossing points such as the area around Zaranj.
-
E.
Iran–Pakistan border
The Iran–Pakistan border is an international boundary in Southwest Asia separating Iran and Pakistan, running largely through remote desert and mountainous terrain including Pakistan’s Chagai District.
- 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: Iran–Soviet Union border Target entity description: The Iran–Soviet Union border was the international boundary that once separated Iran from the Soviet Union, running mainly along parts of the Caspian Sea and the Caucasus region until the USSR’s dissolution in 1991.
-
A.
Iran–Azerbaijan border
The Iran–Azerbaijan border is an international boundary in the South Caucasus separating Iran from the Republic of Azerbaijan, running largely along natural features such as rivers and mountain ranges.
-
B.
Iran–Turkey border
The Iran–Turkey border is an international boundary in the Middle East separating Iran and Turkey, running through mountainous terrain and serving as a significant geopolitical and trade corridor between the two countries.
-
C.
Iran–Turkmenistan border
The Iran–Turkmenistan border is an international boundary in Central Asia that runs from the Caspian Sea through river valleys and desert terrain, separating northern Iran from southern Turkmenistan.
-
D.
Afghanistan–Iran border
The Afghanistan–Iran border is the international boundary separating Afghanistan and Iran, stretching from the tripoint with Pakistan in the south to the tripoint with Turkmenistan in the north and encompassing key crossing points such as the area around Zaranj.
-
E.
Iran–Pakistan border
The Iran–Pakistan border is an international boundary in Southwest Asia separating Iran and Pakistan, running largely through remote desert and mountainous terrain including Pakistan’s Chagai District.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.