Boris Johnson waves from the steps of No. 10 Downing Street after giving a statement in London in July 2019. He had just become prime minister.
A 15-year-old Johnson, right, is seen outside Eton College, a boarding school outside London, in 1979.
Johnson, 21, speaks with Greek Minister for Culture Melina Mercouri in June 1986. Johnson at the time was president of the Oxford Union, a prestigious student society.
Johnson started his career as a journalist. He was fired from an early job at The Times for fabricating a quote. He later became a Brussels correspondent and then an assistant editor for The Daily Telegraph. From 1994 to 2005, he was editor of the weekly magazine The Spectator.
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In 2001, Johnson was elected as a member of Parliament. He won the seat in Henley for the Conservative Party.
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Johnson looks apologetic after fouling Germany's Maurizio Gaudino during a charity soccer match in Reading, England, in May 2006.
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Johnson is congratulated by Conservative Party leader David Cameron, right, after being elected mayor of London in May 2008. Cameron later became prime minister.
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Johnson, left, poses with a wax figure of himself at Madame Tussauds in London in May 2009.
Johnson poses for a photo in London in April 2011. He was re-elected as the city's mayor in 2012.
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Johnson and his wife, Marina, enjoy the atmosphere in London ahead of the Olympic opening ceremony in July 2012. The couple separated in 2018 after 25 years of marriage.
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Johnson gets stuck on a zip line during an event in London's Victoria Park in August 2012.
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Johnson waves on London's Wandsworth Bridge as a bike-sharing program was expanded in the city in 2013.
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Johnson poses with his father, Stanley, and his siblings, Rachel and Jo, at the launch of his new book in October 2014. Stanley Johnson was once a member of the European Parliament.
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Johnson takes part in a charity tug-of-war with British military personnel in October 2015.
Johnson and Michael Gove ride on a "Vote Leave" campaign bus in June 2016.
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Johnson kisses a wild salmon while visiting a fish market in London in June 2016. A month earlier, he stepped down as mayor but remained a member of Parliament for Uxbridge and South Ruislip.