Brexit timeline [Archived]
Brexit timeline [Archived]

The following Public Law guidance note provides comprehensive and up to date legal information covering:

  • Brexit timeline [Archived]
  • Timeline

ARCHIVED: This Practice Note has been archived and is not maintained.

On 23 June 2016, the UK held a referendum on its membership of the EU, with a majority voting in favour of the UK leaving the EU (aka 'Brexit'). On 29 March 2017, the UK Prime Minister gave formal notification of the UK's intention to withdraw from the EU, commencing the withdrawal process under Article 50 TEU, see: Brexit: UK Article 50 TEU notification starts the clock—what happens now?

This Practice Note sets out the timeline of key events and updates (in reverse chronological order) up to the point that the UK triggered Article 50 TEU on 29 March 2017. Updates after that date are available in our Brexit timeline.

Further reading is available in our Brexit subtopic, see: Brexit—overview.


Date Institution Summary
29 March 2017 UK government UK triggers Article 50 TEU
The UK Prime Minister gave formal notification of the UK’s intention to withdraw from the EU under Article 50 TEU, two days ahead of its original target deadline of 31 March 2017.
The Prime Minister served the Article 50 notice in