The first and 2nd division was Launched alongside one another in 1929. In 1977, Segunda División B was founded to exchange Tercera División as being the 3rd tier. Tercera División has since that been the fourth tier. An overview of the current nationwide league method is offered in table one. https://spencerfbuqi.blogscribble.com/40108533/the-smart-trick-of-what-is-la-liga-that-nobody-is-discussing