Costa Rica–Nicaragua San Juan River border dispute President Laura Chinchilla was criticized by former President Óscar Arias for her naïve handling of the situation. On November 18, 2010, Costa Rica filed proceedings against Nicaragua in the International Court of Justice. The complaint alleges an incursion into, occupation of and use by Nicaragua's Army of Costa Rican territory, breaches of Nicaragua's treaty obligations toward Costa Rica, and “ongoing and planned dredging and the construction of the canal (that) will seriously affect the flow of water to the Colorado River of Costa Rica, and will cause further damage to Costa Rican territory, including the wetlands and national wildlife protected
Calderonista Invasion of Costa Rica (1955) Calderonista Invasion of Costa Rica (1955) The Calderonista Inavsion of Costa Rica was a small rebellion carried out in North-West Costa Rica by forces loyal to the disgruntled former president Rafael Calderon, and was supported by the Government of Nicaragua who were unhappy with the election of Jose "Pepe" Figueres Ferrer to the Costa Rican Presidency two years prior. The rebellion started when forces loyal to former president Rafael Calderon, who were backed by the Nicaraguan president Anastasio Somoza García, crossed the border from Nicaragua into Costa Rica. The rebel forces seized the border town of Villa Quesada on January