Est. TodayThis Day in Women's History

Today Calendar Women Abridged Search Admin

This Day in Women's History

A research-grade almanac of firsts and sentinel achievements — indexed against every day of the year.

Explore

All 366 days
Women A–Z
Abridged biographies
Search

Editorial

Admin dashboard
Caption studio

© 2026 — Research-grade almanac of women's history.women.mtapnfc.com

Becomes first female UK Prime Minister — This Day in Women's History

All women/Margaret Thatcher/Becomes first female UK Prime Minister

Politics

Becomes first female UK Prime Minister

May 4, 1979

Margaret Thatcher

Enters 10 Downing Street after Conservative election victory.

UK Gov — Past Prime Ministers

← All achievements for Margaret Thatcher Permalink