Complex sentence: There was little support for the monarchy in the major cities; consequently, King Alfonso XIII gave in to popular pressure for the establishment of a republic in 1931 and called municipal elections for 12 April of that year.
Split into simpler sentences: There was little support for the monarchy in the major cities. Consequently, King Alfonso XIII gave in to popular pressure for the establishment of a republic in 1931 and called municipal elections for 12 April of that year.