Conservatives and Northern Ireland's Democratic Unionist Party (DUP) enter a Confidence and Supply Agreement meaning Theresa May’s minority government is now reliant on DUP MP’s support to command a majority in parliament
The first round of UK-EU withdrawal negotiations begin. UK and EU chief negotiators release statements.
Prime Minister Theresa May announces she is forming a minority government. Negotiations between the Conservative Party and Democratic Unionist Party (DUP) begin regarding DUP support for the new minority government
UK General Election results in a hung parliament, the Conservatives win the most seats (318) but short of the number required for a majority in parliament (325)
Irish Government publishes Ireland and the negotiations on the UK’s Withdrawal from the European Union: The Government’s Approach paper.
EU27 unanimously adopt guidelines for UK-EU withdrawal negotiations at a Special European Council (Article 50) meeting
Prime Minister Theresa May calls a General Election – to be held on 8 June 2017
UK government publishes The Repeal Bill White Paper
Prime Minister Theresa May writes to European Council President Donald Tusk to notify the EU of the UK’s intention, under Article 50 of the Treaty on European Union, to withdraw from the EU.
Secretary of State for Exiting the EU David Davis writes to Social Democratic and Labour Party (SDLP) MP Mark Durkan on matters concerning Brexit and Northern Ireland.
European Union (Notification of Withdrawal) Act receives Royal Assent
Irish Government publishes Brexit: Ireland’s Priorities paper.
Elections to the Northern Ireland Assembly return the Democratic Unionuist Party as the largest party with 28 seats and Sinn Féin as second largest with 27 seats. The parties have three weeks to form a power-sharing government.
UK government publishes The United Kingdom’s exit from, and new partnership with, the European Union White Paper that formally sets out its strategy for UK-EU withdrawal negotiations
The European Union (Notification of Withdrawal) Bill is published
The UK Supreme Court rejects the UK government’s appeal in Miller vs Secretary of State for Exiting the European Union, stating UK Ministers “require the authority of primary legislation” in order to triggering Article 50. On questions raised concerning devolved consent and specific issues “of a constitutional nature” regarding Northern Ireland. The Court holds that the UK Parliament is not legally required to seek devolved consent nor do any questions specific to Northern Ireland impinge on the overall judgment.
In her Lancaster House speech, Prime Minister Theresa May sets out her governments’ 12 negotiating priorities including leaving the EU Single Market, leaving the jurisdiction of the Court of Justice of the European Union (CJEU) and maintaining the Common Travel Area (CTA) with Ireland
The Northern Ireland Executive and Assembly collapse as parties disagree over the Renewable Heat Incentive scandal, an Irish Language Act and Brexit.
Northern Ireland Secretary James Brokenshire makes a statement on the political situation in Northern Ireland.