Person

Margaret Thatcher

Conservative British prime minister whose governments reshaped economic policy, party politics, and Britain's late Cold War identity.

Summary

Margaret Thatcher was prime minister of the United Kingdom from 1979 to 1990.

She matters here because her governments transformed Conservative politics and reoriented British economic policy.

Useful for linking neoliberal reform, the Cold War, and the political realignment of late twentieth-century Britain.