Liz Truss, who prevailed in the contest for the leadership of the Conservative Party on Monday, will take office as the 15th prime minister of the United Kingdom during the reign of the country’s supreme sovereign Queen Elizabeth II.

Tuesday, when Boris Johnson has resigned in writing, the monarch will urge Truss to form a cabinet.

Here is a list of all of the people who have lived in 10 Downing Street since the queen took the throne in 1952.

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Winston Churchill (Conservative, 1951-55)

Anthony Eden (Conservative, 1955-57)

Harold Macmillan (Conservative, 1957-63)

Alec Douglas-Home (Conservative, 1963-64)

Harold Wilson (Labour, 1964-70)

Edward Heath (Conservative, 1970-74)

Harold Wilson (Labour, 1974-76)

James Callaghan (Labour, 1976-79)

Margaret Thatcher (Conservative, 1979-90)

John Major (Conservative, 1990-97)

Tony Blair (Labour, 1997-2007)

Gordon Brown (Labour, 2007-10)

David Cameron (Conservative, 2010-16)

Theresa May (Conservative, 2016-19)

Boris Johnson (Conservative, 2019-22)