The first and 2nd division was founded alongside one another in 1929. In 1977, Segunda División B was founded to replace Tercera División as being the 3rd tier. Tercera División has because that been the fourth tier. An outline of the current national league system is presented in desk one. https://k-o-nh-c-i-5585184.humor-blog.com/38429516/indicators-on-what-is-la-liga-you-should-know