French Ligue 1 is the top professional football league in France. Established in 1933, it features 20 teams competing annually for the championship title. The league operates on a system of promotion and relegation with Ligue 2, the second tier of French football. The season typically runs from August to May, with each team playing 38 matches. The team with the most points at the end of the season is crowned the champion. Notable clubs in Ligue 1 include Paris Saint-Germain, Olympique de Marseille, and AS Monaco, each with a rich history and passionate fan base.