The 1st and 2nd division was founded with each other in 1929. In 1977, Segunda División B was Launched to replace Tercera División given that the 3rd tier. Tercera División has considering that that been the fourth tier. An overview of the present nationwide league procedure is presented in desk https://milohdxpj.answerblogs.com/40250967/what-is-la-liga-can-be-fun-for-anyone