
British Prime Minister Boris Johnson and Queen Elizabeth II. Photo: Victoria Jones/WPA via Getty Images
Queen Elizabeth II will soon add another name to the list of British prime ministers who have served during her 70-year reign.
Driving the news: Boris Johnson resigned as head of the Conservative Party Thursday and said he would step down as prime minister once a new leader was chosen. He is the 14th British prime minister to have served the Queen.
The others include:
Winston Churchill (1951–1955)

Anthony Eden (1955–1957)

Harold Macmillan (1957–1963)

Alec Douglas-Home (1963–1964)

Harold Wilson (1964–1970, 1974–1976)

Edward Heath (1970–1974)

James Callaghan (1976–1979)

Margaret Thatcher (1979–1990)

John Major (1990–1997)

Tony Blair (1997–2007)

Gordon Brown (2007–2010)

David Cameron (2010–2016)

Theresa May (2016–2019)

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