Liberal journalist Otilio Ulate Blanco took control of the party and was part of an oppositional alliance of parties against Republican candidate Rafael Angel Calderón Guardia in 1948 allegedly winning the election.
Otilio Ulate Blanco, a liberal journalist, seized control of the party and was part of an oppositional coalition against Republican candidate Rafael Angel Calderón Guardia in 1948, allegedly winning the election.