Cercle Sportif Couillet was founded in 1919 and joined the Royal Belgian Football Association (KBVB) in 1920.

After a few years in a competing amateur association, they moved to the KBVB in 1952 as a debuting club, under matricule number 5580.

The first team played in the stadium of RAA Louviéroise, the Stade du Tivoli in La Louvière.

Several youth teams continued to play in the Stade du Fiestaux and other areas in Couillet.

Football club URS du Center, affiliated with the Royal Belgian Football Association (KBVB) with matricle number 213, started playing in the Stade du Tivoli under the new name UR La Louvière Centre.

There was also cooperation with provincial club RFCS Marcinelle, affiliated with the KBVB with matricule number 301, although this did not immediately lead to a merger.

[4] FC Charleroi ended the season in the Belgian Fourth Division with a 16–0 loss against OMS Ingelmunster.

They found this in Hainaut Province at Second Division club Boussu Dour Borinage (matricule number 167), who were having financial difficulties.

Boussu Dour found an agreement with Roberto Leone, president of relegating fourth division FC Charleroi (matricule number 94) and relegating Third Division team Charleroi-Fleurus (matricule number 5192, and in possession of a national youth license).

[8] Boussu Dour would take over the matricule number 5192 and continue playing as Francs Borains in the Fourth Division.

The fusion club was called RC Charleroi-Couillet-Fleurus (RCCF) and continued to play with matricule number 94.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.