 The club was founded in 1909 as students club Hermes and was one of the oldest football clubs in Slovenia.The club was reformed in the Kingdom of Yugoslavia as SK Hermes in late 1918 and played in the Ljubljana Subassociation League from 1920 on, scoring best result with fourth place on four occasions.In 1925 the club added a prefix "Železničarski" (Railway's) to its name.