The 1st and next division was Established together in 1929. In 1977, Segunda División B was Started to exchange Tercera División since the 3rd tier. Tercera División has due to the fact that been the fourth tier. An summary of the present national league method is presented in table 1. https://elliottmibvo.bligblogging.com/40565509/the-2-minute-rule-for-what-is-la-liga