August 1991 Soviet coup attempt
E7702
The August 1991 Soviet coup attempt was a failed hardline effort to overthrow Mikhail Gorbachev and halt his reforms, which accelerated the collapse of the Soviet Union.
All labels observed (9)
How this entity was disambiguated
This entity first appeared as the object of triple T86650 — 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: August 1991 Soviet coup attempt Context triple: [Communist Party of the Soviet Union, associatedWithEvent, August 1991 Soviet coup attempt]
-
A.
Prague Spring
Prague Spring was a brief period of political liberalization and reform in communist Czechoslovakia in 1968 that was ultimately crushed by a Soviet-led invasion.
-
B.
Hungarian Revolution of 1956
The Hungarian Revolution of 1956 was a nationwide uprising against Soviet-imposed policies and control in Hungary, briefly challenging communist rule before being violently suppressed by Soviet forces.
-
C.
May Coup of 1926
The May Coup of 1926 was a military takeover led by Józef Piłsudski that overthrew Poland’s democratic government and ushered in the authoritarian Sanation regime in the Second Polish Republic.
-
D.
Beer Hall Putsch
The Beer Hall Putsch was a failed 1923 coup attempt by Adolf Hitler and the Nazi Party in Munich that, despite its collapse, helped propel Hitler to national prominence in Germany.
-
E.
fall of the Berlin Wall
The fall of the Berlin Wall in 1989 was a pivotal moment in modern history that symbolized the collapse of communist rule in Eastern Europe and the approaching end of the Cold War.
- 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: August 1991 Soviet coup attempt Target entity description: The August 1991 Soviet coup attempt was a failed hardline effort to overthrow Mikhail Gorbachev and halt his reforms, which accelerated the collapse of the Soviet Union.
-
A.
Prague Spring
Prague Spring was a brief period of political liberalization and reform in communist Czechoslovakia in 1968 that was ultimately crushed by a Soviet-led invasion.
-
B.
Hungarian Revolution of 1956
The Hungarian Revolution of 1956 was a nationwide uprising against Soviet-imposed policies and control in Hungary, briefly challenging communist rule before being violently suppressed by Soviet forces.
-
C.
May Coup of 1926
The May Coup of 1926 was a military takeover led by Józef Piłsudski that overthrew Poland’s democratic government and ushered in the authoritarian Sanation regime in the Second Polish Republic.
-
D.
Beer Hall Putsch
The Beer Hall Putsch was a failed 1923 coup attempt by Adolf Hitler and the Nazi Party in Munich that, despite its collapse, helped propel Hitler to national prominence in Germany.
-
E.
fall of the Berlin Wall
The fall of the Berlin Wall in 1989 was a pivotal moment in modern history that symbolized the collapse of communist rule in Eastern Europe and the approaching end of the Cold War.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
coup d'état attempt
ⓘ
event in the dissolution of the Soviet Union ⓘ political crisis ⓘ |
| aimedAt |
halt of perestroika reforms
ⓘ
preservation of the Soviet Union in centralized form ⓘ removal of Mikhail Gorbachev from power ⓘ |
| country | Soviet Union ⓘ |
| endDate | 1991-08-21 ⓘ |
| followedBy |
Belavezha Accords
ⓘ
formal dissolution of the Soviet Union ⓘ |
| hasAlias |
August 1991 Soviet coup attempt
self-linksurface differs
ⓘ
surface form:
1991 Soviet coup d'état attempt
August 1991 Soviet coup attempt self-linksurface differs ⓘ
surface form:
August Coup
GKChP coup ⓘ |
| hasCasualties | civilian deaths in Moscow ⓘ |
| hasParticipant |
Anatoly Lukyanov
ⓘ
Boris Pugo ⓘ Boris Yeltsin ⓘ Dmitry Yazov ⓘ Gennady Yanayev ⓘ Mikhail Gorbachev ⓘ Oleg Baklanov ⓘ Valentin Pavlov ⓘ Vladimir Kryuchkov ⓘ |
| keyEvent | Boris Yeltsin's speech from a tank outside the Russian White House ⓘ |
| legalOutcome |
arrest of coup leaders
ⓘ
subsequent trials of GKChP members ⓘ |
| location |
Moscow
ⓘ
Russian SFSR ⓘ
surface form:
Russian Soviet Federative Socialist Republic
|
| mediaTypeDepiction |
documentary films about the August Coup
ⓘ
historical studies on the collapse of the USSR ⓘ |
| opposedBy |
Boris Yeltsin
ⓘ
Russian democratic movement ⓘ |
| organizedBy | State Committee on the State of Emergency in the USSR ⓘ |
| precededBy |
glasnost policy
ⓘ
perestroika reforms ⓘ |
| result |
accelerated dissolution of the Soviet Union
ⓘ
banning of the Communist Party of the Soviet Union in Russia ⓘ failure of the coup ⓘ restoration of Mikhail Gorbachev to office ⓘ strengthening of Boris Yeltsin's political position ⓘ suspension of Communist Party activities in Russia ⓘ |
| significance |
major step toward end of one-party rule in the Soviet Union
ⓘ
turning point in Russian political history ⓘ |
| startDate | 1991-08-19 ⓘ |
| timePeriod | late Cold War ⓘ |
| triggeredBy | planned signing of the New Union Treaty ⓘ |
| usedMethod |
control of state media
ⓘ
declaration of state of emergency ⓘ deployment of military units in Moscow ⓘ |
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: August 1991 Soviet coup attempt Description of subject: The August 1991 Soviet coup attempt was a failed hardline effort to overthrow Mikhail Gorbachev and halt his reforms, which accelerated the collapse of the Soviet Union.
Referenced by (27)
Full triples — surface form annotated when it differs from this entity's canonical label.
August 1991 Soviet coup attempt
→
hasAlias
→
August 1991 Soviet coup attempt
self-linksurface differs
ⓘ
this entity surface form:
August Coup
August 1991 Soviet coup attempt
→
hasAlias
→
August 1991 Soviet coup attempt
self-linksurface differs
ⓘ
this entity surface form:
1991 Soviet coup d'état attempt
this entity surface form:
August Coup
this entity surface form:
1991 Soviet coup d’état attempt
State Committee on the State of Emergency in the USSR
→
significantEvent
→
August 1991 Soviet coup attempt
ⓘ
this entity surface form:
1991 Soviet coup d'état attempt
this entity surface form:
1991 Soviet coup attempt
this entity surface form:
1991 Soviet coup d'état attempt
this entity surface form:
August 1991 Soviet coup d'état attempt
this entity surface form:
August 1991 Soviet coup d'état attempt
this entity surface form:
Soviet political crisis of 1991
this entity surface form:
1991 Soviet coup d'état attempt
this entity surface form:
Soviet coup attempt of August 1991
this entity surface form:
1991 Soviet coup d'état attempt
this entity surface form:
1991 Soviet coup d’état attempt
this entity surface form:
1991 Soviet coup d’état attempt
this entity surface form:
1991 Soviet coup d’état attempt
this entity surface form:
1991 Soviet coup d'état attempt
Declaration of State Sovereignty of the Russian Soviet Federative Socialist Republic
→
relatedEvent
→
August 1991 Soviet coup attempt
ⓘ
this entity surface form:
1991 August Coup
subject surface form:
Dmitry Yazov
subject surface form:
Gennady Yanayev
this entity surface form:
1991 Soviet coup d'état attempt
subject surface form:
1991 Soviet coup d'état attempt
this entity surface form:
August Coup
Vice President of the Soviet Union
→
notableEventInvolvingOffice
→
August 1991 Soviet coup attempt
ⓘ
this entity surface form:
1991 Soviet coup d’état attempt
subject surface form:
Boris Pugo
this entity surface form:
1991 August Coup