The European Union (Withdrawal Agreement) Act 2020 is given royal assent in the United Kingdom, formally making the bill law.
The European Union Withdrawal Agreement Bill passes the House of Lords and is now awaiting royal assent to become law, finalizing the United Kingdom's withdrawal from the European Union on 31 January 2020.
The House of Commons of the United Kingdom votes 358–234 to pass the government's Brexit withdrawal agreement for the United Kingdom to leave the European Union on 31 January 2020. The bill will now head to the House of Lords for final approval. The bill also rules out extending trade talks with the EU beyond 31 December 2020, known as the "transition period".
French Minister of Europe and Foreign Affairs Jean-Yves Le Drian says that, under current conditions, the European Union would not grant the United Kingdom an extension beyond October 31 to negotiate its exit from the Union.
British Secretary of State for Work and Pensions Amber Rudd resigns from Boris Johnson's cabinet and the Conservative whip in protest of both his handling of Brexit and his expulsion of 21 MPs from the party. Rudd will now sit as an independent MP in the House of Commons.
The United Kingdom's House of Lords approves a bill forcing Prime Minister Boris Johnson to ask the European Union for a Brexit deadline extension. The bill will now become law once receiving royal assent from Queen Elizabeth II.
Andrea Leadsom resigns as the United Kingdom's Leader of the House of Commons with immediate effect in response to Prime Minister Theresa May's handling of Brexit. Several other cabinet ministers are reportedly threatening to resign.
The Labour Party announces it will support a second referendum on the end of the United Kingdom's membership of the European Union unless Wednesday sees Labour's proposed Brexit deal supported by Parliament.
More than 600,000 people gather at Parliament Square in London as protesters from the People's Vote campaign call for a second Brexit referendum deal between the United Kingdom and the European Union.
After talks with Prime Minister of the United Kingdom Theresa May and Secretary of State for Exiting the European Union David Davis in London, E.U. chief negotiator Michel Barnier calls on the United Kingdom to make a choice on what sort of future relationship it wants with the European Union after Brexit.