The term was originally used by the British artist Ralph Rumney. A fictional and non-internally consistent history of the group accreted over time, including the dissolution of the "group" into the Situationist International in Italy in 1957 and the expulsion of Rumney from the SI on the pretext of a tardy "psychogeographical" report.

Another fabrication, called (the East London Section) was "founded" around 1994, by Fabian Tompsett. This group, it is said, took a "psychogeographical" trip to Roisa's Cave in Royston and issued a LPA Newsletter.

Other claimed historical tidbits, which cannot be verified: