Conservative Party leadership election 1990

E301619

Conservative Party leadership election United Kingdom party leadership election

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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All labels observed (2)

Label	Occurrences
1990 Conservative Party leadership election	1
Conservative Party leadership election 1990 canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T2812607 — 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: Conservative Party leadership election 1990
Context triple: [John Major: The Autobiography, about, Conservative Party leadership election 1990]

A. 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.
B. 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.
C. Conservative Party Conference
The Conservative Party Conference is the annual gathering of the UK Conservative Party where leaders, members, and affiliated groups meet to set policy direction, deliver speeches, and conduct party business.
D. 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.
E. Margaret Thatcher government
The Margaret Thatcher government was the Conservative administration that led the United Kingdom from 1979 to 1990, marked by free-market economic reforms, privatization, and a strong stance against trade unions.
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: Conservative Party leadership election 1990
Target entity description: 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.

A. 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.
B. 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.
C. Conservative Party Conference
The Conservative Party Conference is the annual gathering of the UK Conservative Party where leaders, members, and affiliated groups meet to set policy direction, deliver speeches, and conduct party business.
D. 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.
E. Margaret Thatcher government
The Margaret Thatcher government was the Conservative administration that led the United Kingdom from 1979 to 1990, marked by free-market economic reforms, privatization, and a strong stance against trade unions.
F. None of above. chosen

Statements (42)

Predicate	Object
instanceOf	Conservative Party leadership election ⓘ United Kingdom party leadership election ⓘ
context	internal leadership rules of the Conservative Party (UK) ⓘ
country	United Kingdom ⓘ
electorate	Conservative Members of Parliament ⓘ linked to: Conservative Party MP
endDate	1990-11-27 ⓘ
firstBallotCandidate	Margaret Thatcher ⓘ Michael Heseltine ⓘ
firstBallotDate	1990-11-20 ⓘ
followedBy	Conservative Party leadership election 1995 ⓘ
follows	Conservative Party leadership election 1989 ⓘ
historicalPeriod	late Thatcher era ⓘ
incumbentLeaderBeforeElection	Margaret Thatcher ⓘ
incumbentPrimeMinisterBeforeElection	Margaret Thatcher ⓘ
leaderAfterElection	John Major ⓘ
location	Palace of Westminster ⓘ
loser	Douglas Hurd ⓘ Michael Heseltine ⓘ
notableFor	first successful leadership challenge to a sitting Conservative Prime Minister in the 20th century ⓘ
officeAssumedByWinner	Prime Minister of the United Kingdom ⓘ
officeAssumedDateByWinner	1990-11-28 ⓘ
party	Conservative Party (UK) ⓘ
positionContested	Leader of the Conservative Party (UK) ⓘ
predecessorAsPrimeMinister	Margaret Thatcher ⓘ
primeMinisterAfterElection	John Major ⓘ
reasonForResignation	failure of Margaret Thatcher to win outright in first ballot ⓘ
relatedEvent	Poll Tax controversy ⓘ linked to: Poll Tax Riots divisions over European integration in the Conservative Party ⓘ
resultedIn	beginning of John Major's premiership ⓘ end of Margaret Thatcher's premiership ⓘ
secondBallotCandidate	Douglas Hurd ⓘ John Major ⓘ Michael Heseltine ⓘ
secondBallotDate	1990-11-27 ⓘ
startDate	1990-11-20 ⓘ
successorAsPrimeMinister	John Major ⓘ
triggeredBy	leadership challenge to Margaret Thatcher ⓘ resignation of Margaret Thatcher as Conservative Party leader ⓘ
typeOfVote	secret ballot ⓘ
votingBody	Parliamentary Conservative Party ⓘ linked to: Conservative Party (UK)
winner	John Major ⓘ
year	1990 ⓘ