High Quality Content by WIKIPEDIA articles! The First Federal League of Yugoslavia`s 1952 season (colloquially the Yugoslav First League) was shortened and sped-up. It was completed over a period of little more than 3 and a half months, beginning on March 2, 1952 and finishing on June 22, 1952. The reason for the changes was a desire to start the next season in the fall of 1952, thus implementing the fall-spring format that had become a norm all across Europe by this time.