They are known for winning the treble (La Liga, the Copa Del Rey, and the UEFA Champions League) all in 1 season, twice, in the 2008-09 season and in the 2014-15 season. They are also the only European club to have won a treble twice. Their biggest rival is Real Madrid. Matches between F.C. Barcelona and Real Madrid are called "El Clásico", which means "The Classic" in Spanish. The team has won many tournaments, which is why Barcelona is considered one of the best teams in the world. F.C. Barcelona was founded by a group of football players led by Joan Gamper. Their home stadium, Camp Nou is the largest stadium in Europe with a capacity of 99,354.
Barcelona have won twenty-five La Liga titles. Barcelona is one of the three clubs who have never been relegated from the first division; the other ones are Athletic Bilbao and Real Madrid.