Vote was triggered by discontented lawmakers in his own party

British Prime Minister Boris Johnson

British Prime Minister 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.

British Prime Minister Boris Johnson

A 21-year-old Johnson 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.

British Prime Minister Boris Johnson

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.

British Prime Minister Boris Johnson

In 2001, Johnson was elected as a member of Parliament. He won the seat in Henley for the Conservative Party.

British Prime Minister Boris Johnson

Johnson looks apologetic after fouling Germany’s Maurizio Gaudino during a charity soccer match in Reading, England, in May 2006.

British Prime Minister Boris Johnson

Johnson is congratulated by Conservative Party leader David Cameron, right, after being elected mayor of London in May 2008. Cameron later became prime minister.

British Prime Minister Boris Johnson

Johnson, left, poses with a wax figure of himself at Madame Tussauds in London in May 2009.

British Prime Minister Boris Johnson

Johnson poses for a photo in London in April 2011. He was re-elected as the city’s mayor in 2012.

British Prime Minister Boris Johnson

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.

British Prime Minister Boris Johnson

Johnson gets stuck on a zip line during an event in London’s Victoria Park in August 2012.

British Prime Minister Boris Johnson

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.

British Prime Minister Boris Johnson

Johnson takes part in a charity tug-of-war with British military personnel in October 2015.

British Prime Minister Boris Johnson

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.

British Prime Minister Boris Johnson

Johnson arrives at a news conference in London in June 2016. During the Brexit referendum that year, he was under immense pressure from Prime Minister Cameron to back the Remain campaign. But he broke ranks and backed Brexit at the last minute.

British Prime Minister Boris Johnson

Johnson sits next to Prime Minister Theresa May during a Cabinet meeting in November 2016. Johnson was May’s foreign secretary for two years before resigning over her handling of Brexit.

British Prime Minister Boris Johnson

As foreign secretary. Johnson meets with US House Speaker Paul Ryan in April 2017. Johnson was born in New York City to British parents and once held dual citizenship. But he renounced his US citizenship in 2016.

British Prime Minister Boris Johnson

Johnson launches his Conservative Party leadership campaign in June 2019.

British Prime Minister Boris Johnson

Johnson and Foreign Secretary Jeremy Hunt take part in the Conservative Leadership debate in June 2019.

British Prime Minister Boris Johnson

Johnson speaks in July 2019 after he won the party leadership vote to become Britain’s next prime minister.

British Prime Minister Boris Johnson

Britain’s Queen Elizabeth II welcomes Johnson at Buckingham Palace, where she invited him to become Prime Minister and form a new government.

British Prime Minister Boris Johnson

Johnson poses with his dog Dilyn as he leaves a polling station in London in December 2019.

British Prime Minister Boris Johnson

British Prime Minister Boris Johnson

Johnson and his partner, Carrie Symonds, react to election results from his study at No. 10 Downing Street.

British Prime Minister Boris Johnson

Johnson speaks on the phone with Queen Elizabeth II in March 2020.

British Prime Minister Boris Johnson

British Prime Minister Boris Johnson

British Prime Minister Boris Johnson

British Prime Minister Boris Johnson

Johnson wears a face mask as he visits the headquarters of the London Ambulance Service NHS Trust in July 2020.

British Prime Minister Boris Johnson

US Secretary of State Mike Pompeo sits across from Johnson in the garden of No. 10 Downing Street in July 2020.

British Prime Minister Boris Johnson

Johnson holds a crab in Stromness Harbour during a visit to Scotland in July 2020.

British Prime Minister Boris Johnson

British Prime Minister Boris Johnson

Johnson and US President Joe Biden speak at Carbis Bay in Cornwall, England, after their bilateral meeting in June 2021. Biden and Johnson were participating in the G7 summit that weekend.

British Prime Minister Boris Johnson

Queen Elizabeth II greets Johnson at Buckingham Palace in June 2021. It was the Queen’s first in-person weekly audience with the Prime Minister since the start of the coronavirus pandemic.

British Prime Minister Boris Johnson

Johnson delivers his keynote speech on the final day of the annual Conservative Party Conference in October 2021.

British Prime Minister Boris Johnson

British Prime Minister Boris Johnson

Johnson attends the National Service of Thanksgiving at St Paul’s Cathedral in London on Friday, June 3, 2022 as part of Platinum Jubilee celebrations for Queen Elizabeth II.