https://blogs.lse.ac.uk/brexit/2020/10/01/churchill-the-european-has-been-written-out-of-history/#comments
https://www.gov.uk/government/news/pms-european-council-press-statement-20-october-2017
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/635900/2017-08-07_DP_Bill_-_Statement_of_Intent.pdf