| Bloomberg speech | Jan 2013 |
| 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 |
| 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 |
| 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 |
| 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 EU | Jan 2020 |
| Implementation period begins | Jan 2020 |
| UK–EU trade deal agreed | Dec 2020 |
| Future Relationship Act passed | Dec 2020 |
| Implementation period ends | Dec 2020 |
| New EU–UK relationship begins | Jan 2021 |
| UK–EU trade deal ratified | Apr 2021 |