 The unpopularity of Tinoco's regime led, after he was overthrown, to a considerable decline in the size, wealth, and political influence of the Costa Rican military.In 1948, José Figueres Ferrer led an armed uprising in the wake of a disputed presidential election between Rafael Ángel Calderón Guardia (who had been president between 1940 and 1944) and Otilio Ulate Blanco.With more than 2,000 dead, the resulting 44-day Costa Rican Civil War was the bloodiest event in Costa Rica during the 20th century.