The Supreme Court of the United Kingdom rules that the Government of the United Kingdom may not begin the formal Brexit process until Parliament votes in approval of the move.
Parliament must vote on whether the government can start Brexit, the Supreme Court rules.
- A petition, launched Sunday to cancel U.S. President Donald Trump's state visit to the United Kingdom later this year, tops 1 million signatures, passing the threshold for British Parliament debate. A British government spokesman says the state visit is going ahead as planned.
- There is no plan for Brexit, according to a critical leaked memo from the consulting firm Deloitte Touche Tohmatsu Limited. The document indicates Whitehall is working on 500 Brexit-related projects. Both Deloitte and the British Government confirm the document is an internal working document from Deloitte that was compiled without government approval or assistance.
- On January 18, 2016, the British Parliament will debate a petition, signed by more than 560,000 people, calling for the Home Secretary to ban United States Republican Party presidential candidate Donald Trump from entering the United Kingdom because of 'hate speech' that is unacceptable behavior, non-conducive to the public good. The conclusion reached by the lawmakers will not be binding on the UK government.
- The Trump Administration announces this year's presidential state visit to the United Kingdom is delayed until at least 2018. Both the White House and 10 Downing Street state the two countries had been unable to agree on a 2017 date. This planned visit has drawn protests in the United Kingdom since February, and more than 1.8 million signatures on a petition to Parliament to cancel the meeting.
- UK Prime Minister Theresa May announces that citizens of the European Union living in the United Kingdom will be able to acquire a "UK settled status" after the UK leaves the EU.