2019 Conservative Party (UK) leadership election
E419868
The 2019 Conservative Party (UK) leadership election was the internal party contest that selected Boris Johnson as Conservative leader and UK Prime Minister following Theresa May’s resignation.
All labels observed (5)
How this entity was disambiguated
This entity first appeared as the object of triple T4206355 — 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: 2019 Conservative Party (UK) leadership election Context triple: [Jeremy Hunt, ranInElection, 2019 Conservative Party (UK) leadership election]
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A.
Conservative Party leadership election 1990
The Conservative Party leadership election of 1990 was the internal party contest that led to John Major succeeding Margaret Thatcher as leader of the Conservative Party and Prime Minister of the United Kingdom.
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B.
2015 Labour Party leadership election
The 2015 Labour Party leadership election was the contest that unexpectedly propelled long-time left-wing backbencher Jeremy Corbyn to the leadership of the UK Labour Party, dramatically reshaping its political direction.
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C.
2010 Labour Party leadership election
The 2010 Labour Party leadership election was the contest held to choose Gordon Brown’s successor as leader of the UK Labour Party following its defeat in the 2010 general election.
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D.
2019 United Kingdom general election
The 2019 United Kingdom general election was a nationwide parliamentary vote that resulted in a decisive Conservative Party victory under Boris Johnson, paving the way for the UK’s departure from the European Union.
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E.
2007 Labour Party leadership election
The 2007 Labour Party leadership election was the internal contest in which Gordon Brown succeeded Tony Blair as leader of the UK Labour Party and Prime Minister.
- 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: 2019 Conservative Party (UK) leadership election Target entity description: The 2019 Conservative Party (UK) leadership election was the internal party contest that selected Boris Johnson as Conservative leader and UK Prime Minister following Theresa May’s resignation.
-
A.
Conservative Party leadership election 1990
The Conservative Party leadership election of 1990 was the internal party contest that led to John Major succeeding Margaret Thatcher as leader of the Conservative Party and Prime Minister of the United Kingdom.
-
B.
2015 Labour Party leadership election
The 2015 Labour Party leadership election was the contest that unexpectedly propelled long-time left-wing backbencher Jeremy Corbyn to the leadership of the UK Labour Party, dramatically reshaping its political direction.
-
C.
2010 Labour Party leadership election
The 2010 Labour Party leadership election was the contest held to choose Gordon Brown’s successor as leader of the UK Labour Party following its defeat in the 2010 general election.
-
D.
2019 United Kingdom general election
The 2019 United Kingdom general election was a nationwide parliamentary vote that resulted in a decisive Conservative Party victory under Boris Johnson, paving the way for the UK’s departure from the European Union.
-
E.
2007 Labour Party leadership election
The 2007 Labour Party leadership election was the internal contest in which Gordon Brown succeeded Tony Blair as leader of the UK Labour Party and Prime Minister.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Conservative Party (UK) leadership election
ⓘ
political party leadership election ⓘ |
| announcementDate | 2019-07-23 ⓘ |
| ballotType | postal ballot for party members ⓘ |
| candidate |
Andrea Leadsom
ⓘ
Boris Johnson ⓘ Dominic Raab ⓘ Esther McVey ⓘ Jeremy Hunt ⓘ Mark Harper ⓘ Matt Hancock ⓘ Michael Gove ⓘ Rory Stewart ⓘ Sajid Javid ⓘ |
| country | United Kingdom ⓘ |
| electorate |
Conservative MPs in House of Commons
ⓘ
Conservative Party members ⓘ |
| endDate | 2019-07-23 ⓘ |
| finalBallotCandidate |
Boris Johnson
ⓘ
Jeremy Hunt ⓘ |
| followedBy | 2022 Conservative Party (UK) leadership election ⓘ |
| follows |
2016 Conservative Party (UK) leadership election
ⓘ
linked to:
2016 Conservative Party leadership election
|
| leaderAfterElection | Boris Johnson ⓘ |
| leaderBeforeElection | Theresa May ⓘ |
| location | United Kingdom ⓘ |
| mainIssue | Brexit ⓘ |
| memberBallotResult |
Boris Johnson 92,153 votes
ⓘ
Jeremy Hunt 46,656 votes ⓘ |
| memberTurnoutPercentage | 87.4 ⓘ |
| notableDebate |
BBC leadership debate 2019
ⓘ
ITV leadership debate 2019 ⓘ |
| officeContested |
Leader of the Conservative Party (UK)
ⓘ
Prime Minister of the United Kingdom (de facto) ⓘ |
| organisedBy | Conservative Party (UK) ⓘ |
| parliamentaryBallotsCount | 5 ⓘ |
| percentageForRunnerUp | 33.6 ⓘ |
| percentageForWinner | 66.4 ⓘ |
| precededByEvent | Theresa May announcing intention to resign on 2019-05-24 ⓘ |
| primeMinisterAfterElection | Boris Johnson ⓘ |
| primeMinisterBeforeElection | Theresa May ⓘ |
| resultedIn |
Boris Johnson becoming Leader of the Conservative Party (UK)
ⓘ
Boris Johnson becoming Prime Minister of the United Kingdom ⓘ |
| startDate | 2019-05-24 ⓘ |
| triggeredBy |
resignation of Theresa May as Prime Minister of the United Kingdom
ⓘ
resignation of Theresa May as leader of the Conservative Party ⓘ |
| votingSystem | exhaustive ballots of Conservative MPs followed by postal ballot of party members ⓘ |
| winner | Boris Johnson ⓘ |
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: 2019 Conservative Party (UK) leadership election Description of subject: The 2019 Conservative Party (UK) leadership election was the internal party contest that selected Boris Johnson as Conservative leader and UK Prime Minister following Theresa May’s resignation.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: 2019 Conservative Party (UK) leadership election
2016 Conservative Party leadership election
→
followedBy
→
2019 Conservative Party leadership election
ⓘ
linked to: 2019 Conservative Party (UK) leadership election
linked to: 2019 Conservative Party (UK) leadership election
Theresa May confidence vote (December 2018)
→
relatedEvent
→
Theresa May resignation as Conservative leader (2019)
ⓘ
linked to: 2019 Conservative Party (UK) leadership election