Błękitni Wronki was founded in 1921 and excluding major interruptions, such as World War II, the club played until 1992.

Throughout the twentieth century, the name of the club changed several times: Wrona (1921-1924), Kresowianka (1924-1935), Polonia (1936-1938), Strzelec (from June until September 1938), Harcerski Klub Sportowy (1938–1939), Kolejarz (1945-1950), Stal (1950–1953), Spójnia (1953-1956), Sparta (1956–1959), before finally MKS Błękitni (1959–1992).

The grandfather of former MKS "Błękitni" Vice President Artur Hibner – Boleslaw, co-founded local football in Wronki before World War II, and created it after 1945.

The company's increasing profits gave the new team tremendous financial clout in the Polish leagues.

Including as a response to "vacuum", which was created after the disappearance of the primary and third tier football club Amica Wronki.

Błękitni played mostly in the regional league, the sixth, and later seventh, tier, having previously been promoted every year since beginning from the bottom of the football pyramid.

[1] In July 2023, Błękitni temporarily ceased operating a senior team after being unable to complete a roster.