The Daily Express became the first national newspaper to declare Britain must leave the EU in November 2010.
Boris Johnson, Nigel Farage and Kemi Badenoch are among the Brexit heavyweights who have backed the campaign.
The “Give Us a Proper Brexit” crusade calls for leaving the European Convention on Human Rights (ECHR), slashing red tape for businesses and enforcing a 12-mile exclusion zone around the UK for British vessels only.
The UK is already lining up with Brussels on some rules for food and agriculture to allow access to the European economic trading zone.
The UK formally left the EU single market and customs union at 11pm on December 31, 2020. It followed a June 2016 referendum where 17.4 million people voted to leave the EU, with a split of 52% versus 48%.