Soviet–Polish border changes in the 20th century
E764732
The Soviet–Polish border changes in the 20th century were a series of territorial shifts and redrawn frontiers between Poland and the Soviet Union, driven by wars, treaties, and geopolitical realignments before, during, and after World War II.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Second Polish Republic–Soviet Union border | 1 |
| Soviet–Polish border changes in the 20th century canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8878730 — 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: Soviet–Polish border changes in the 20th century Context triple: [Kovel, partOfHistoricalEvent, Soviet–Polish border changes in the 20th century]
-
A.
Polish–Soviet border agreement of 1951
The Polish–Soviet border agreement of 1951 was a Cold War-era treaty between the People's Republic of Poland and the Soviet Union that adjusted their mutual frontier through a territorial exchange intended to consolidate political and economic control in the border regions.
-
B.
Polish–Soviet border agreement of 1945
The Polish–Soviet border agreement of 1945 was a post–World War II treaty that definitively redrew the frontier between Poland and the Soviet Union, cementing major territorial shifts in Eastern Europe.
-
C.
Territorial changes of World War II
Territorial changes of World War II comprise the extensive redrawing of national borders and transfer of territories in Europe, Asia, and beyond as a result of wartime conquests, occupations, annexations, and postwar peace settlements.
-
D.
German–Soviet partition of Poland
The German–Soviet partition of Poland was the 1939 division and occupation of Polish territory between Nazi Germany and the Soviet Union following their joint invasion at the start of World War II.
-
E.
Polish–Soviet relations
Polish–Soviet relations encompass the complex and often hostile political, military, and diplomatic interactions between Poland and the Soviet Union throughout the 20th century, marked by wars, shifting borders, ideological conflict, and periods of uneasy coexistence.
- 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: Soviet–Polish border changes in the 20th century Target entity description: The Soviet–Polish border changes in the 20th century were a series of territorial shifts and redrawn frontiers between Poland and the Soviet Union, driven by wars, treaties, and geopolitical realignments before, during, and after World War II.
-
A.
Polish–Soviet border agreement of 1951
The Polish–Soviet border agreement of 1951 was a Cold War-era treaty between the People's Republic of Poland and the Soviet Union that adjusted their mutual frontier through a territorial exchange intended to consolidate political and economic control in the border regions.
-
B.
Polish–Soviet border agreement of 1945
The Polish–Soviet border agreement of 1945 was a post–World War II treaty that definitively redrew the frontier between Poland and the Soviet Union, cementing major territorial shifts in Eastern Europe.
-
C.
Territorial changes of World War II
Territorial changes of World War II comprise the extensive redrawing of national borders and transfer of territories in Europe, Asia, and beyond as a result of wartime conquests, occupations, annexations, and postwar peace settlements.
-
D.
German–Soviet partition of Poland
The German–Soviet partition of Poland was the 1939 division and occupation of Polish territory between Nazi Germany and the Soviet Union following their joint invasion at the start of World War II.
-
E.
Polish–Soviet relations
Polish–Soviet relations encompass the complex and often hostile political, military, and diplomatic interactions between Poland and the Soviet Union throughout the 20th century, marked by wars, shifting borders, ideological conflict, and periods of uneasy coexistence.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
historical event
ⓘ
territorial change ⓘ |
| affectedRegion |
Belarusian–Polish borderlands
ⓘ
linked to:
Belarus–Poland
Białystok Region ⓘ Eastern Galicia ⓘ Lviv Region ⓘ
linked to:
Lviv region
Polesia ⓘ Ukrainian–Polish borderlands ⓘ
linked to:
Ukraine–Poland
Vilnius Region ⓘ Volhynia ⓘ |
| cause |
Allied decisions during World War II
ⓘ
Nazi–Soviet cooperation in 1939 ⓘ
linked to:
Molotov–Ribbentrop Pact
Polish–Soviet War ⓘ Soviet security interests ⓘ collapse of empires after World War I ⓘ |
| countryInvolved |
Poland
ⓘ
Soviet Union ⓘ |
| demographicImpact |
deportations and migrations of Ukrainians, Belarusians, and Lithuanians
ⓘ
expulsion and flight of Germans from territories assigned to Poland ⓘ resettlement of Poles from former eastern territories to western and northern Poland ⓘ |
| endPeriod | 1991 ⓘ |
| keyTreaty |
1951 Polish–Soviet territorial exchange
ⓘ
linked to:
Polish–Soviet border agreement of 1951
German–Soviet Boundary and Friendship Treaty ⓘ
linked to:
Molotov–Ribbentrop Pact
Molotov–Ribbentrop Pact ⓘ Potsdam Agreement ⓘ
linked to:
Potsdam Conference
Tehran Conference agreements ⓘ
linked to:
Tehran Conference
Treaty between the Republic of Poland and the USSR on the Soviet–Polish State Frontier (1945) ⓘ
linked to:
Polish–Soviet border agreement of 1945
Treaty between the Republic of Poland and the USSR on the Soviet–Polish State Frontier (1958) ⓘ Treaty of Riga ⓘ Yalta Conference agreements ⓘ
linked to:
Yalta Conference
|
| location | Eastern Europe ⓘ |
| mainParticipants |
Polish People’s Republic
ⓘ
Second Polish Republic ⓘ Soviet Union ⓘ |
| politicalContext |
Sovietization of annexed territories
ⓘ
creation of the Polish People’s Republic as a Soviet-aligned state ⓘ |
| predecessorBorder | border of the Second Polish Republic (1918–1939) ⓘ |
| result |
establishment of the Curzon Line as the de facto eastern border of Poland
ⓘ
ethnic homogenization of postwar Poland ⓘ incorporation of eastern Polish territories into the USSR ⓘ large-scale population transfers ⓘ shift of Poland’s borders westward ⓘ |
| significantEvent |
Cold War
ⓘ
Polish–Soviet War ⓘ World War II ⓘ |
| startPeriod | 1918 ⓘ |
| successorBorder |
border between Poland and the Soviet republics of Ukraine, Belarus, and Lithuania
ⓘ
modern borders between Poland and Belarus ⓘ modern borders between Poland and Lithuania ⓘ modern borders between Poland and Ukraine ⓘ |
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: Soviet–Polish border changes in the 20th century Description of subject: The Soviet–Polish border changes in the 20th century were a series of territorial shifts and redrawn frontiers between Poland and the Soviet Union, driven by wars, treaties, and geopolitical realignments before, during, and after World War II.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Soviet–Polish border changes in the 20th century