Costa Rican Civil War: All Data

This page is about the data available for this event, the chronology of the event is available here.

The conflict was precipitated by the vote of the Costa Rican Legislature, dominated by pro-government representatives, to annul the results of the presidential elections held in February, alleging that the triumph of opposition candidate Otilio Ulate against Rafael Ángel Calderón Guardia had been achieved by fraud.