Hanko naval base
E338560
Hanko naval base was a strategically important Soviet-leased military installation on Finland’s Hanko Peninsula during and shortly after the Winter War and World War II.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hanko naval base canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3188746 — 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: Hanko naval base Context triple: [Hanko Peninsula, associatedWith, Hanko naval base]
-
A.
Yokosuka Naval Base
Yokosuka Naval Base is a major United States Navy installation in Japan that serves as the home port for the U.S. Seventh Fleet and a key hub for naval operations in the Western Pacific.
-
B.
Port of Naha
The Port of Naha is a major seaport and transportation hub in Okinawa, Japan, serving as a key gateway for passenger ferries, cargo shipping, and regional trade in the Ryukyu Islands.
-
C.
Sasebo Naval Arsenal
Sasebo Naval Arsenal was a major Imperial Japanese Navy shipbuilding and repair facility located in Sasebo, Nagasaki, that played a key role in Japan’s naval operations before and during World War II.
-
D.
Port of Akita
The Port of Akita is a key seaport on Japan’s Sea of Japan coast that supports regional industry, trade, and maritime transport for Akita Prefecture.
-
E.
Port of Nagasaki
The Port of Nagasaki is a historic Japanese harbor that has long served as a key gateway for international trade and cultural exchange, particularly during Japan’s periods of limited foreign contact.
- 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: Hanko naval base Target entity description: Hanko naval base was a strategically important Soviet-leased military installation on Finland’s Hanko Peninsula during and shortly after the Winter War and World War II.
-
A.
Yokosuka Naval Base
Yokosuka Naval Base is a major United States Navy installation in Japan that serves as the home port for the U.S. Seventh Fleet and a key hub for naval operations in the Western Pacific.
-
B.
Port of Naha
The Port of Naha is a major seaport and transportation hub in Okinawa, Japan, serving as a key gateway for passenger ferries, cargo shipping, and regional trade in the Ryukyu Islands.
-
C.
Sasebo Naval Arsenal
Sasebo Naval Arsenal was a major Imperial Japanese Navy shipbuilding and repair facility located in Sasebo, Nagasaki, that played a key role in Japan’s naval operations before and during World War II.
-
D.
Port of Akita
The Port of Akita is a key seaport on Japan’s Sea of Japan coast that supports regional industry, trade, and maritime transport for Akita Prefecture.
-
E.
Port of Nagasaki
The Port of Nagasaki is a historic Japanese harbor that has long served as a key gateway for international trade and cultural exchange, particularly during Japan’s periods of limited foreign contact.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
Soviet military base
ⓘ
military installation ⓘ naval base ⓘ |
| controlledBy | Soviet Union during lease period ⓘ |
| country | Soviet Union ⓘ |
| evacuatedBy |
Soviet armed forces
ⓘ
surface form:
Soviet forces
|
| evacuationTime | 1941 ⓘ |
| feature |
airfields
ⓘ
coastal artillery batteries ⓘ fortifications ⓘ naval facilities ⓘ |
| formerUse | Soviet-leased territory ⓘ |
| garrisonedBy |
Soviet Air Force units
ⓘ
Red Army ⓘ
surface form:
Soviet Army
Soviet Navy ⓘ |
| geopoliticalSignificance |
Soviet foothold in southern Finland
ⓘ
pressure point on Finnish neutrality ⓘ |
| historicalEra |
Cold War prelude
ⓘ
World War II ⓘ
surface form:
World War II era
|
| leaseBasis | Moscow Peace Treaty ⓘ |
| leasedBy | Soviet Union ⓘ |
| leasedFrom | Finland ⓘ |
| leaseStartTime | 1940 ⓘ |
| locatedIn |
Finland
ⓘ
Gulf of Finland ⓘ
surface form:
Gulf of Finland region
|
| location | Hanko Peninsula ⓘ |
| militaryRole |
coastal defense position
ⓘ
naval operations base ⓘ submarine and surface ship support ⓘ |
| nearbyWaterBody |
Baltic Sea
ⓘ
Gulf of Finland ⓘ |
| opposedBy |
Finnish Defence Forces
ⓘ
surface form:
Finnish Armed Forces
|
| partOf | Soviet Baltic Fleet infrastructure ⓘ |
| region | Uusimaa ⓘ |
| returnedTo | Finland ⓘ |
| statusAfterWWII | no longer under Soviet lease ⓘ |
| strategicImportance |
control of Gulf of Finland sea lanes
ⓘ
forward base against Finland ⓘ protection of approaches to Leningrad ⓘ threatened Finnish maritime communications ⓘ |
| theaterOf |
Siege of Hanko
ⓘ
surface form:
siege of Hanko
|
| usedDuringConflict |
Continuation War
ⓘ
Winter War ⓘ World War II ⓘ |
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: Hanko naval base Description of subject: Hanko naval base was a strategically important Soviet-leased military installation on Finland’s Hanko Peninsula during and shortly after the Winter War and World War II.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.