Treaty of Paris is signed Creation of the European Coal and Steel Community (ECSC) Treaty of Rome is signed Creation of the European Economic Community (EEC) The UK, Denmark and Ireland join the agreement European Monetary System (EMS) Greece joins Schengen Agreement is signed Portugal and Spain join the EEC Single European Act (SEA) comes into effect Schengen Convention Maastricht Treaty comes into effect, creating the European Union Inauguration of the Eurotunnel Austria, Finland and Sweden join the EU Schengen Agreement is effective The euro is launched Treaty of Amsterdam Euro coins and banknotes are adopted 10 new countries join the EU Bulgaria and Romania join the EU Lisbon Treaty is signed Lisbon Treaty becomes effective The European Union receives the Nobel Peace Prize Croatia joins the EU

1975 UK European Communities membership referendum 1983 election David Cameron rejects the idea of a EU referendum David Cameron backs referendum on Europe European Union Referendum Act 2015 David Cameron wins election for second term David Cameron announces referendum in June UK votes to leave the European Union Prime-minister David Cameron resigns Theresa May becomes Prime-Minister Theresa May sets out plan for Brexit Theresa May triggers Article 50 of the Lisbon Treaty May calls for a snap election in June Snap election. May loses majority First round of negotiations begin Joint report proposes solutions for Irish border Commission publishes draft Withdrawal Agreement UK and EU agree terms for Brexit transition UK white paper on Brexit UK government approves the draft of the Withdrawal Agreement EU endorses Withdrawal Agreement May announces date for vote on Brexit deal May faces no-confidence motion Theresa May loses in Parliament May loses again in Parliament 1st Brexit deadline Second round of indicative votes: no majority for any proposals May asks for extension to 30 June 2019 At emergency European Council, Brexit extension agreed until 31 October 2019 European parliament elections Theresa May resigns Boris Johnson is the new Prime Minister Parliament suspended The suspension of Parliament is judged unlawful by the Supreme Court Johnson proposes alternative to the backstop Johnson agrees new Withdrawal Agreement with EU Parliament special session on a Saturday A general election is enabled by Parliament UK general election called for 12 December 2019 2nd Brexit deadline Parliament is dissolved First debate between Johnson and Corbyn Snap election. Tories win the majority Johnson's New Year message Current Brexit deadline Deadline for the EU to agree with the UK negotiating objectives Deadline for the UK to ask for an extension of the transition period End of transition period

October 10, 2012 February 18, 2016 February 20, 2016 March 08, 2016 March 24, 2016 May 22, 2016 May 30, 2016 June 03, 2019 June 07, 2016 June 10, 2016 June 17, 2016 June 20, 2016 June 23, 2016 July 13, 2016 January 17, 2017 March 29, 2017 April 19, 2017 June 8, 2017 June 09, 2017 June 19, 2017 December 09, 2017 February 28, 2018 March 01, 2018 July 06, 2018 November 14, 2018 November 25, 2018 December 17, 2018 January 15, 2019 January 16, 2019 February 15, 2019 March 29, 2019 April 01, 2019 April 06, 2019 April 10, 2019 May 23, 2019 May 24, 2019 July 24, 2019 August 27, 2019 August 29, 2019 September 25, 2019 October 02, 2019 October 17, 2019 October 19, 2019 October 20, 2019 October 29, 2019 October 31, 2019 November 06, 2019 November 20, 2019 December 12, 2019 December 13, 2019

Test David Cameron Theresa May Boris Johnson Test

Conservative Party Labour Party Co-operative Party Plaid Cymru — Party of Wales Scottish National Party Sinn Féin Alliance Party of Northern Ireland Social Democratic and Labour Party Democratic Unionist Party Liberal Democrats Green Party of England and Wales UK Independence Party Referendum Party Brexit Party