Treaty of Bassein (1802)
E56386
The Treaty of Bassein (1802) was an agreement between the British East India Company and the Maratha leader Baji Rao II that effectively placed the Maratha state under British protection and marked a major step in the expansion of British power in India.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Treaty of Bassein (1802) canonical | 11 |
| Treaties of the British East India Company | 1 |
| Treaty of Bassein | 1 |
| Treaty of Bassein between the British and Peshwa Baji Rao II | 1 |
| Treaty of Vasai (1802) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T447600 — 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: Treaty of Bassein (1802) Context triple: [Maratha Empire, significantEvent, Treaty of Bassein (1802)]
-
A.
Pangkor Treaty of 1874
The Pangkor Treaty of 1874 was an agreement between the British and Malay rulers that marked the beginning of formal British political control in the Malay Peninsula by establishing a British Resident in Perak.
-
B.
Treaty of Shimonoseki
The Treaty of Shimonoseki was an 1895 peace agreement between Qing China and Japan that ended the First Sino-Japanese War and marked Japan’s emergence as a major imperial power in East Asia.
-
C.
Treaty of Ripon (1640)
The Treaty of Ripon (1640) was an agreement that ended the Second Bishops' War by allowing Scottish forces to occupy parts of northern England at English expense, pressuring Charles I to recall Parliament and contributing to the political crisis preceding the English Civil War.
-
D.
Treaty of St. Louis (1804)
The Treaty of St. Louis (1804) was an agreement in which Sauk and Meskwaki leaders, under disputed circumstances, ceded vast lands in Illinois and Missouri to the United States, later fueling tensions that led to the Black Hawk War.
-
E.
Treaty of St. Louis (1825)
The Treaty of St. Louis (1825) was an agreement between the United States and several Native American tribes that further ceded Indigenous lands in the Midwest to the U.S. government as part of its westward expansion.
- 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: Treaty of Bassein (1802) Target entity description: The Treaty of Bassein (1802) was an agreement between the British East India Company and the Maratha leader Baji Rao II that effectively placed the Maratha state under British protection and marked a major step in the expansion of British power in India.
-
A.
Pangkor Treaty of 1874
The Pangkor Treaty of 1874 was an agreement between the British and Malay rulers that marked the beginning of formal British political control in the Malay Peninsula by establishing a British Resident in Perak.
-
B.
Treaty of Shimonoseki
The Treaty of Shimonoseki was an 1895 peace agreement between Qing China and Japan that ended the First Sino-Japanese War and marked Japan’s emergence as a major imperial power in East Asia.
-
C.
Treaty of Ripon (1640)
The Treaty of Ripon (1640) was an agreement that ended the Second Bishops' War by allowing Scottish forces to occupy parts of northern England at English expense, pressuring Charles I to recall Parliament and contributing to the political crisis preceding the English Civil War.
-
D.
Treaty of St. Louis (1804)
The Treaty of St. Louis (1804) was an agreement in which Sauk and Meskwaki leaders, under disputed circumstances, ceded vast lands in Illinois and Missouri to the United States, later fueling tensions that led to the Black Hawk War.
-
E.
Treaty of St. Louis (1825)
The Treaty of St. Louis (1825) was an agreement between the United States and several Native American tribes that further ceded Indigenous lands in the Midwest to the U.S. government as part of its westward expansion.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
historical event
ⓘ
treaty ⓘ |
| alsoKnownAs |
Treaty of Bassein (1802)
ⓘ
surface form:
Treaty of Vasai (1802)
|
| causeOf | Second Anglo-Maratha War ⓘ |
| context |
British policy of subsidiary alliances in India
ⓘ
internal conflict within the Maratha Confederacy ⓘ struggle for succession and power among Maratha chiefs ⓘ |
| countryAtTime | Maratha territory ⓘ |
| dateSigned | 31 December 1802 ⓘ |
| hasEffectOn |
British expansion in India
ⓘ
Maratha Empire ⓘ balance of power in India ⓘ |
| historicalSignificance |
example of British use of subsidiary alliance system
ⓘ
key step in establishing British paramountcy in India ⓘ turning point in the decline of Maratha power ⓘ |
| languageOfDocument |
English
ⓘ
Persian ⓘ |
| locationSigned |
Bassein
ⓘ
Vasai ⓘ near Bombay Presidency ⓘ |
| mainProponent |
Arthur Wellesley, 1st Duke of Wellington
ⓘ
surface form:
Arthur Wellesley
|
| negotiatedBy | British East India Company officials ⓘ |
| opposedBy |
Scindia of Gwalior
ⓘ
surface form:
Daulat Rao Scindia
Bhonsle of Nagpur ⓘ
surface form:
Raghoji II Bhonsle of Nagpur
other Maratha chiefs ⓘ |
| partyRoleOf |
Baji Rao II
ⓘ
surface form:
Baji Rao II as Peshwa of the Maratha Empire
|
| precedes | Second Anglo-Maratha War ⓘ |
| region | Western India ⓘ |
| relatedTo |
Anglo-Maratha Wars
ⓘ
British Raj (Company rule in India) ⓘ
surface form:
British East India Company rule in India
Maratha Empire ⓘ
surface form:
Maratha Confederacy
|
| result |
Maratha state placed under British protection
ⓘ
cession of territory by Baji Rao II to the British East India Company ⓘ expansion of British power in India ⓘ loss of Maratha independence in foreign policy ⓘ payment of subsidy by Baji Rao II to the British East India Company ⓘ stationing of British troops in Maratha territory ⓘ subsidiary alliance established with the Marathas ⓘ triggered Second Anglo-Maratha War ⓘ |
| signatory |
Baji Rao II
ⓘ
British East India Company ⓘ |
| signatoryParty |
Company rule in India
ⓘ
Maratha Empire ⓘ |
| stipulation |
Baji Rao II to accept a permanent British subsidiary force
ⓘ
Baji Rao II to conduct foreign relations only with British approval ⓘ Baji Rao II to dismiss most European officers not in British service ⓘ cession of territory to cover expenses of the subsidiary force ⓘ |
| year | 1802 ⓘ |
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: Treaty of Bassein (1802) Description of subject: The Treaty of Bassein (1802) was an agreement between the British East India Company and the Maratha leader Baji Rao II that effectively placed the Maratha state under British protection and marked a major step in the expansion of British power in India.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Treaty of Vasai (1802)
subject surface form:
Treaty of Salbai
this entity surface form:
Treaties of the British East India Company
this entity surface form:
Treaty of Bassein between the British and Peshwa Baji Rao II
this entity surface form:
Treaty of Bassein