04.01.1920
foundation as Polonia Bytom
21.05.1945
new foundation as Towarzystwo Sportowe Polonia Bytom
__.__.1950
renaming to Ogniwo Bytom
20.03.1955
renaming to Kluby Sportowy Polonia Bytom
07.07.1997
syndication with Szombierki Bytom as GKS Polonia/Szombierki Bytom
01.12.1998
dissolution of the syndication and continuation as Towarzystwo Sportowe Polonia Bytom
__.06.2002
renaming to Polonia Bytom
__.__.2009
renaming to Klub Sportowy Polonia Bytom
__.__.201?
renaming to Bytomski Sport Polonia Bytom