[1] Over time many sections of the club have become independent entities in their own right but keeping the historical name.
[2] In the inaugural year the country was represented by its athlete Zdzisław Nowak at the Olympic Games in Paris.
The basketball section has produced many well-known players such as Jarosław Jechorek, Radosław Hyży, William Brantley, Toree Morris, Marcin Stokłosa, Wojciech Majchrzak, Bartosz Sarzało, Iwo Kitzinger, Wojciech Żurawski, Lewis Lofton, Chaz Carr, Dražen Tomić, Łukasz Seweryn, Brandun Hughes, Michael Ansley, Piotr Szczotka, Adrian Małecki and Piotr Szybilski.
[3] Unia also has a futsal team administered by the football section of the club.
It reverted to the "Unia" name in 2021 but remained a separate club.