Verified facts
- RC Lens won the French top-flight championship in the 1997–98 season.
- Stade Bollaert-Delelis was inaugurated on 18 June 1933 and has been the home of Racing Club de Lens since that inauguration.
- Racing Club Lensois was founded in Lens in 1906 by Jules Van de Weigh and Carlos Douterlungne.