Wrocławski Klub Sportowy Śląsk Wrocław Spółka Akcyjna, commonly known as WKS Śląsk Wrocław, Śląsk Wrocław () or simply Śląsk, is a Polish football club based in Wrocław that plays in Ekstraklasa, the highest level of the Polish football league system. The club was founded in 1947 and has competed under many names since then; adopting the name Śląsk Wrocław ten years after their foundation. In 1977, Śląsk Wrocław won the Polish league championship for the first time. The club has also won the Polish Cup twice, the Polish Super Cup twice and the Ekstraklasa Cup once. The club's home is Stadion Wrocław, a 45,105 capacity stadium in Wrocław which was one of the host venues during UEFA Euro 2012. Club previously played at Olympic Stadium and Stadion Oporowska. History The club has had many names since its foundation in 1947. They are listed below; 1947 – Pionier Wrocław 1949 – Legia Wrocław 1950 – Centralny Wojskowy Klub Sportowy Wrocław 1951 – Okręgowy Wojskowy Klub Sportowy Wrocław 1957 – Wojskowy Klub Sportowy Śląsk Wrocław 1997 – Wrocławski Klub Sportowy Śląsk Wrocław Sportowa Spółka Akcyjna Wrocławski Klub Sportowy Śląsk Wrocław Spółka Akcyjna Śląsk is the Polish name of Silesia, the historical region in which Wrocław is located. Honours Ekstraklasa Champions (2): 1976–77, 2011–12 Runners-up (3): 1977–78, 1981–82, 2010–11 Polish Cup Winners (2): 1975–76, 1986–87 Runners-up: 2012–13 Ekstraklasa Cup Winners: 2009 Polish Super Cup Winners (2): 1987, 2012 Youth Teams: Polish U-19 Champion Champions: 1978–79 Runners-up: 1976–77 Bronze Medal: 1977–78, 1979–80, 2017–18 The fans Śląsk fans are one of the largest supporter movements in Poland. In the early 1970s, they were one of the pioneers of football supporters groups. Their fan base is right-wing. Due to the clubs historical fight against the former communist government it is still not unusual to see Anti-semitic and nationalistic slogans on the stands. The Śląsk supporters call themselves Nobles from Wrocław (). Friendships They have a friendship with Lechia Gdańsk with which the two clubs fans have had a friendship since 1977, and have had friendly relations since 1967. This is the oldest fan friendship in Polish football. During the 2017–18 season, the two sets of fans celebrated their 40th Friendship Anniversary. Games between the two are often called "the friendship match". The fans have also had a friendship with Motor Lublin dating back to the 1990s. Due to the clubs' long friendship, Śląsk were invited to