The club was founded in February 1920, during the hectic months of the post-World War I period, when the Allied Powers were hesitating about the future fate of the industrial region of Upper Silesia.
To get there, Śląsk won qualifiers against the teams of Garbarnia Kraków, ŁTSG Łódź and WKS 6 Pułk Lotniczy Lwów [pl].
There, after beating Śmigły Wilno, 5–1 and 2–0, as well as Naprzód Lipiny, 0–0 and 2–1, Śląsk was promoted to the Polish top division.
Club was sponsored by "Florian" steelworks, its best players were Hubert Gad and Ewald Cebula, who also represented Poland.
However, in a national competition, the team was 3rd, after Garbarnia Kraków and Union Touring Łódź and ahead of Policyjny KS Łuck.
Śląsk, with its name changed to TuS Schwientochlowitz, was basically the same team as in 1939, plus Walter Brom, a very talented goalkeeper of Ruch Chorzów.
After the war, in spite of the dedication of its activists, Śląsk's football team never managed to return to the Polish top division.
The Budowlani Rybnik rider Robert Nawrocki was credited with creating the speedway track as a social act on the National Day of the Rebirth of Poland.
[2] In the late 1960s the club began to compete at the top level, they won the 1968 second division and then achiveved their greatest feat to date, when winning the silver medal in the team championship during the 1969.
[4] One of their riders Paweł Waloszek won the Golden Helmet in 1968 and finished second in the 1970 Individual Speedway World Championship, behind the legendary Ivan Mauger.