The duo are the two most successful clubs in French football history and the only two French teams to have won major European trophies. Moreover, PSG and l'OM were the dominant forces in the land prior to the emergence of Olympique Lyonnais in the 2000s. They are also the two most popular clubs in France and the two most followed French teams outside the country, ahead of Lyon. Both clubs are at or near the top of the attendance lists every season as well.