swedish football began to have regular seasons from 1924 on, when allsvenskan started. before that, tournaments were played irregularly. svenska mästerskapet for example, the decider of the swedish champions in the early years, was played spring-autumn, while svenska serien, the national league, was played autumn-spring. some years, it was played spring-autumn-spring due to various reasons, and other years it was not played at all due to economical trouble. in 1959, swedish football changed from autumn-spring to spring-autumn seasons. allsvenskan has not been suspended any season since its start.