Levski Sofia () is a Bulgarian professional association football club based in Sofia, which competes in the First League, the top division of the Bulgarian football league system. The club was founded on 24 May 1914 by a group of high school students, and is named after Vasil Levski, a Bulgarian revolutionary renowned as the national hero of the country. Levski has won a total of 74 trophies, including 26 national titles, 26 national cups and 3 supercups, as well as 13 domestic Doubles and 1 Treble. It is also the only Bulgarian football club to have never been relegated from the top division since the establishment of the league system in 1937. Levski has reached the quarter-finals of UEFA competitions for five times, was runner-up of the Balkans Cup twice, and in 2006, it became the first Bulgarian club to reach the group stage of the UEFA Champions League. The team's regular kit colour is all-blue. Levskis home ground is the Vivacom Arena - Georgi Asparuhov in Sofia, which has a capacity of 25,000 spectators. The club's biggest rivals are CSKA Sofia, and matches between the two capital sides are commonly referred to as the Eternal derby of Bulgaria. Levski also contests the Oldest capital derby with Slavia Sofia. The club is a regular member of the European Club Association and the European Multisport Club Association. History 1914–1969: Sports Club Levski Sports Club Levski was founded in 1911 by a group of students from the Second Male High School in Sofia. The club's name was chosen in honour of the Bulgarian revolutionary Vasil Levski, and the club was officially registered on 24 May 1914. In 1914, Levski lost its first official match against FK 13 Sofia with the score of 2–0. Between 1914 and 1920, football wasn't a popular sport in Bulgaria, and no additional information about the club exists. In the summer of 1921, the Sofia Sports League was established, which united ten clubs from Sofia and marked the beginning of organized football competitions in the city. Levski won the first match in the championship in the 1921–22 season, held on 18 September 1921, against Atletik Sofia with the score of 3–1. The team captured first place in the league in 1923 after a 3–2 win over bitter rivals Slavia Sofia, and successfully defended the title the following season. The first National Championship was held in 1924 with