[1] Their first notable result was reaching the quarter-finals of the 1951 Yugoslav Cup, where they were heavily defeated by Dinamo Zagreb (8–0).

[1] In 1958, the club joined the reformed Yugoslav Second League, competing in Group East for two seasons.

[3] In 1966–67, the club finished as champions and earned promotion to the Yugoslav First League for the first time ever.

[3] The club subsequently ended bottom of the table in 1968–69 and dropped to the Second League.

[6] They ended their comeback season in fourth place, their highest ever league finish.