It was founded by Kash Singh, a former inspector with the West Yorkshire Police, who also founded the British Indian Association and won the West Yorkshire Police Oscar, and the Criminal Justice Award for his work in Manningham, Bradford, after the 2001 Bradford riots.

[2] Conservative MPs Andrea Jenkyns and Andrew Rosindell launched the "One Britain One Nation" all-party group in 2018, although it does not appear to have lasted beyond 2019.

In June 2021 the Department for Education backed their campaign, urging "schools across the UK to celebrate One Britain One Nation Day on 25 June, when children can learn about our shared values of tolerance, kindness, pride and respect", and in particular for children to sing a patriotic song written by school children at St John's CE Primary School, Bradford titled "We are Britain and we have one dream / To unite all people in one great team".

[6] Scottish First Minister Nicola Sturgeon initially believed it "was a spoof", partly because the organisers did not appear to realise that many schools in Scotland ended for the summer before the chosen date.

[9] The Football Association of Wales urged schools to film their pupils singing "Hen Wlad Fy Nhadau" on 25 June "with pride".