Timeline
1 October 1956
Theresa Mary May (born ) is a British Conservative politician who served as Prime Minister of the United Kingdom and Leader of the Conservative Party from Ju…
29 March 2017
She triggered Article 50 of the Treaty on European Union on , formally beginning the UK's withdrawal process.
15 January 2019
Her negotiated Withdrawal Agreement with the EU, finalised in November 2018, was defeated three times in the House of Commons in early 2019, including a hist…
24 May 2019
Unable to secure passage, she announced her resignation as Conservative leader on and was succeeded as Prime Minister by Boris Johnson on 24 July 2019.
24 July 2019
Unable to secure passage, she announced her resignation as Conservative leader on 24 May 2019 and was succeeded as Prime Minister by Boris Johnson on .
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In March 2017, Theresa May signed the letter invoking Article 50, formally notifying European Council President Donald Tusk of the UK's intention to leave the European Union.
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