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Secretary of State for Education and Science
Leader of the Opposition
Prime Minister of the United Kingdom
Policies
Appointments
Articles by ministry and term: 1979–1983
1983–1987
1987–1990
Post-premiership
Publications
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This is a summary of the electoral history of Margaret Thatcher, who served as Prime Minister of the United Kingdom from 1979 to 1990 and Leader of the Conservative Party from 1975 to 1990. She was the Member of Parliament (MP) for Finchley from 1959 to 1992.