Act Against Slavery (1793)
E544196
Act Against Slavery (1793) was a pioneering piece of legislation in Upper Canada that initiated the gradual abolition of slavery in the British Empire.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Act Against Slavery (1793) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5747192 — 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: Act Against Slavery (1793) Context triple: [John Graves Simcoe, legislativeAchievement, Act Against Slavery (1793)]
-
A.
American and Foreign Anti-Slavery Society
The American and Foreign Anti-Slavery Society was a 19th-century U.S. abolitionist organization that promoted the worldwide abolition of slavery through political and moral reform efforts.
-
B.
Slave Trade Act 1807
The Slave Trade Act 1807 was a landmark British law that made the transatlantic slave trade illegal throughout the British Empire, marking a major victory for the abolitionist movement.
-
C.
United States Act Prohibiting Importation of Slaves 1807
The United States Act Prohibiting Importation of Slaves of 1807 was a federal law that banned the transatlantic importation of enslaved people into the United States, marking a major legal step against the Atlantic slave trade.
-
D.
Fugitive Slave Act of 1793
The Fugitive Slave Act of 1793 was a U.S. federal law that provided legal mechanisms for slaveholders to recover escaped enslaved people from free states, reinforcing the institution of slavery across state lines.
-
E.
Slavery Abolition Act 1833
The Slavery Abolition Act 1833 was a landmark British law that ended slavery throughout most of the British Empire, leading to the emancipation of hundreds of thousands of enslaved people, particularly in the Caribbean.
- 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: Act Against Slavery (1793) Target entity description: Act Against Slavery (1793) was a pioneering piece of legislation in Upper Canada that initiated the gradual abolition of slavery in the British Empire.
-
A.
American and Foreign Anti-Slavery Society
The American and Foreign Anti-Slavery Society was a 19th-century U.S. abolitionist organization that promoted the worldwide abolition of slavery through political and moral reform efforts.
-
B.
Slave Trade Act 1807
The Slave Trade Act 1807 was a landmark British law that made the transatlantic slave trade illegal throughout the British Empire, marking a major victory for the abolitionist movement.
-
C.
United States Act Prohibiting Importation of Slaves 1807
The United States Act Prohibiting Importation of Slaves of 1807 was a federal law that banned the transatlantic importation of enslaved people into the United States, marking a major legal step against the Atlantic slave trade.
-
D.
Fugitive Slave Act of 1793
The Fugitive Slave Act of 1793 was a U.S. federal law that provided legal mechanisms for slaveholders to recover escaped enslaved people from free states, reinforcing the institution of slavery across state lines.
-
E.
Slavery Abolition Act 1833
The Slavery Abolition Act 1833 was a landmark British law that ended slavery throughout most of the British Empire, leading to the emancipation of hundreds of thousands of enslaved people, particularly in the Caribbean.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Canadian provincial legislation
ⓘ
abolition law ⓘ statute ⓘ |
| alsoKnownAs | An Act to prevent the further introduction of Slaves, and to limit the Term of Contracts for Servitude within this Province ⓘ |
| appliesTo |
enslaved people in Upper Canada
ⓘ
slave owners in Upper Canada ⓘ |
| context | passed shortly after the Somerset v Stewart decision and growing British abolition movement ⓘ |
| country | Upper Canada ⓘ |
| dateEnacted | 1793-07-09 ⓘ |
| effect |
prevented expansion of slavery in Upper Canada
ⓘ
prohibited importation of new slaves into Upper Canada ⓘ provided for gradual emancipation of children born to enslaved women ⓘ |
| governingMonarch |
George III
ⓘ
linked to:
George III of the United Kingdom
|
| historicalSignificance |
early step toward abolition of slavery in the British Empire
ⓘ
first legislation in the British Empire to limit slavery ⓘ |
| impact |
contributed to the development of the Underground Railroad routes into Upper Canada
ⓘ
helped make Upper Canada a destination for freedom seekers from the United States ⓘ |
| inForceUntil | 1834 ⓘ |
| inspiredBy | abolitionist sentiment in late 18th-century British world ⓘ |
| introducedBy | John Graves Simcoe ⓘ |
| jurisdiction | Upper Canada ⓘ |
| language | English ⓘ |
| legalCitation | 33 Geo. III, c. 7 (Upper Canada) ⓘ |
| legalStatusOfSlaves | did not free existing enslaved adults ⓘ |
| legalSystem | British colonial law ⓘ |
| legislativeBody | Parliament of Upper Canada ⓘ |
| locationEnacted |
Newark, Upper Canada
ⓘ
Niagara-on-the-Lake ⓘ |
| partOf |
history of abolitionism in Canada
ⓘ
history of slavery in Canada ⓘ law of Upper Canada ⓘ
linked to:
statutes of Upper Canada
|
| placeInLegalHistory | one of the earliest anti-slavery laws in the Americas ⓘ |
| provision |
allowed manumission of enslaved persons under certain conditions
ⓘ
banned further importation of enslaved persons into Upper Canada ⓘ children born to enslaved women after the act would be freed at age 25 ⓘ |
| purpose | to restrict and gradually abolish slavery in Upper Canada ⓘ |
| region |
British North America
ⓘ
linked to:
British America
|
| regionNow |
Ontario, Canada
ⓘ
linked to:
Ontario
|
| relatedTo |
British abolitionist movement
ⓘ
Slavery Abolition Act 1833 ⓘ history of the British Empire ⓘ |
| shortDescription | law that initiated gradual abolition of slavery in Upper Canada ⓘ |
| supersededBy | Slavery Abolition Act 1833 ⓘ |
| supportedBy | John Graves Simcoe ⓘ |
| typeOfAbolition | gradual emancipation ⓘ |
| yearEnacted | 1793 ⓘ |
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: Act Against Slavery (1793) Description of subject: Act Against Slavery (1793) was a pioneering piece of legislation in Upper Canada that initiated the gradual abolition of slavery in the British Empire.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.