Proposed referendum on the Brexit withdrawal agreement

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Brexit
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Background European Communities Act 1975 EC membership referendum UK rebate Bruges speech No. No. No. Maastricht Rebels Black Wednesday European Union (Amendment) Act 2008 European Union Act 2011 UK opt-outs from EU legislation Euroscepticism in the UK UK opinion polling on EU membership Campaigns for a referendum People's Pledge Labour for a Referendum Bloomberg speech In or Out 2013–14 EU (Referendum) Bill (unsuccessful) 2014 European Parliament election 2014 UK Parliament by-elections Clacton Heywood and Middleton Rochester and Strood 2015 UK general election 2015–16 EU membership renegotiation
2016 EU referendum EU Referendum Act (Gibraltar) EU Referendum (Date of Referendum etc.) Regulations EU Referendum (Conduct) Regulations Issues Endorsements Opinion polling UK Government pro-EU leaflet Campaigns Leave campaigns Vote Leave (official) Business for Britain Conservatives for Britain BeLeave Leave.EU Bpoplive The Freedom Association Better Off Out Grassroots Out Labour Leave Get Britain Out Bruges Group Campaign for an Independent Britain Brexit: The Movie Remain campaigns Britain Stronger in Europe (official) Labour In for Britain European Movement UK Britain in Europe British Influence Business for New Europe Nucleus Project Fear Outcome Results Causes for result International reactions Immediate aftermath 2016 Conservative Party election 2016 Labour Party election 2016 UKIP election Department for Exiting the EU Department for International Trade Allegations of unlawful campaigning Alleged Russian interference
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Timeline Bloomberg speech Jan 2013 Referendum Bill blocked Jan 2014 European Parliament election May 2014 2015 general election May 2015 Renegotiation begins Jun 2015 Referendum Act passed Dec 2015 Renegotiation concluded Feb 2016 Referendum held Jun 2016 David Cameron resigns as PM Jul 2016 Theresa May becomes PM Jul 2016 Article 50 judgement Jan 2017 Brexit plan presented Feb 2017 Notification Act passed Mar 2017 Article 50 invoked Mar 2017 Repeal Bill plan presented Mar 2017 2017 general election Jun 2017 Brexit negotiations begin Jun 2017 Withdrawal Act passed Jun 2018 Chequers plan presented Jul 2018 Withdrawal agreement plan presented July 2018 Withdrawal agreement released Nov 2018 Scottish Continuity Bill blocked Dec 2018 Meaningful votes Jan–Mar 2019 Brexit delayed until 12 April Mar 2019 Cooper–Letwin Act passed Apr 2019 Brexit delayed until 31 October Apr 2019 European Parliament election May 2019 Theresa May resigns as PM Jul 2019 Boris Johnson becomes PM Jul 2019 Prorogation and annulment Aug–Sep 2019 Benn Act passed Sep 2019 Withdrawal agreement revised Oct 2019 Brexit delayed until 31 January Oct 2019 2019 general election Dec 2019 Agreement Act passed Jan 2020 UK leaves the European Union Jan 2020 Implementation period begins Jan 2020 UK–EU trade deal agreed Dec 2020 Future Relationship Act passed Dec 2020 Scottish Continuity Act passed Dec 2020 Implementation period ends Dec 2020 New EU–UK relationship begins Jan 2021 UK–EU trade deal ratified Apr 2021 Windsor Framework released Feb 2023 Windsor framework adopted Mar 2023
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Part of a series of articles on
UK membership of the European Union (1973–2020)
Accession Treaty of Accession 1972 1972 EC Act 1973 enlargement of the EC
1975 referendum Referendum Act (results)
Treaty amendments Single European Act, 1986 (UK ratification) Maastricht Treaty, 1992 (UK ratification) Treaty of Amsterdam, 1997 (UK ratification) Treaty of Nice, 2001 (UK ratification) Treaty of Lisbon, 2007 (UK ratification) Related: 2011 UK Act on new EU Treaty amendments EU-related British Acts Proposed European Constitution referendum European Union Bill 2004–2005
MEPs for UK constituencies Members 1973–1979 (elected by parliament) Members 1979–1984 (1979 election) Members 1984–1989 (1984 election) Members 1989–1994 (1989 election) Members 1994–1999 (1994 election) Members 1999–2004 (1999 election) Members 2004–2009 (2004 election) Members 2009–2014 (2009 election) Members 2014–2019 (2014 election) Members 2019–2020 (2019 election) Women
Officials and bodies House of Lords EU Committee House of Commons EU Committee Permanent EU Representatives for UK Northern Ireland Executive in Brussels EU Representative in London UK European Commissioners Department for Exiting the European Union
Issues and events Economy The Euro Black Wednesday UK budget rebate Nationality law Euroscepticism in the UK United Kingdom opt-outs from EU legislation Maastricht Rebels Balance of Competences Review
Withdrawal 2015 UK general election 2015–2016 membership renegotiation 2016 EU membership referendum Vote Leave Britain Stronger in Europe Notification of withdrawal 2017 UK general election Brexit negotiations Impact of Brexit Future relationship Withdrawal agreement No-deal Brexit Impact on Irish border Northern Ireland Protocol Parliamentary votes Proposed second referendum 2019 UK general election
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A referendum on the Brexit withdrawal agreement, also referred to as a "second referendum",^[a] a "rerun", a "people's vote",^[b] or a "confirmatory public vote", was proposed by a number of politicians and pressure groups as a way to break the deadlock during the 2017–19 Parliament surrounding the meaningful vote on the Brexit deal.

Following the invocation of Article 50 to begin Brexit negotiations, most proposals for a new referendum suggested a choice between accepting the negotiated withdrawal agreement and remaining in the EU, sometimes with the additional option to leave the EU with no deal. In the case of a three-option referendum, voting systems such as supplementary vote,^[2] and Borda count^[3] were suggested to allow people to state their second preferences.

Reasons that were cited as justification include campaign finance violations by Vote Leave and Leave.EU, the alleged use of data illicitly harvested by Cambridge Analytica,^[4][5] revelations of Russian interference through fake social media accounts and allegedly through funding,^[6] arguments that the "Leave" camp promoted misinformation,^[7] a gradual shift in public opinion, fuelled in part by demographic changes such as adolescents who were too young to take part in the first referendum reaching voting age,^[8] and that the eventually-arranged terms of Brexit were unknown at the time of the original vote.^[9][10]

The most widely discussed proposal was a referendum between "Remain" and "Accept the deal", which was promoted by the People's Vote pressure group.^{[failed verification]} This was the official position of the Liberal Democrats, the Green Party of England and Wales, Plaid Cymru and the Scottish National Party. The Labour Party also adopted this position in September 2019.^[11] The Conservative Party and Brexit Party were opposed to any referendum.^[12]

On 12 December 2019, the Conservative Party, led by Boris Johnson, won an 80-seat overall majority in the 2019 general election, ending the possibility of any referendum on the withdrawal agreement being held before ratification by the UK Parliament or before the UK left the European Union. Subsequently, the UK Parliament passed the European Union (Withdrawal Agreement) Act 2020 which received royal assent on 23 January 2020, and the United Kingdom formally left the European Union at 23:00 GMT on 31 January 2020.

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