[2] TUL is affiliated with the Central Organisation of Finnish Trade Unions as well as the Social Democratic Party of Finland and Left Alliance.
[3] During the first year, a 78 newly established clubs joined the federation, and by the end of 1919, TUL had about 10,000 members.
[5] Since the founding of TUL, the Social Democrats and Communists struggled for power inside the federation.
Finally in 1927, the Social Democrats gained majority, and TUL denied all contacts with the Soviet led Red Sport International.
In 1930, the Parliament of Finland passed the anti-Communist laws, hundreds of organizations and newspapers that were considered as communist were banned.
The 1940 Summer Olympics were soon postponed due to the World War II, but TUL and SVUL continued their cooperation through the 1940s.
In 1948, TUL athletes participated the Olympic Games for the first time, winning three medals, including one gold.
The 37-year fragmented period finally came to an end in 1956, as the TUL and FA football series were merged.
[8] The following athletes represented a Finnish Workers' Sports Federation's member association while winning an Olympic medal.