List of wars involving Costa Rica

This is a list of wars involving the Republic of Costa Rica .

  Costa Rican military victory

  Costa Rican military defeat

  Indecisive or unclear outcome

  Ongoing conflict

Conflict	Combatant 1	Combatant 2	Results
Ochomogo War (1823)	Republicans	Imperialists	Republican victory The First Mexican Empire was already dissolved at the time, Republicans moved the capital from Cartago to San José.
League War (1835)	San José	Alajuela Cartago Heredia	San Jose's victory
Invasion of Guanacaste (1836)	Costa Rica	Nicaragua Costa Ricans exiled	Victory
Filibuster War (1855–1857)	Costa Rica Nicaragua Kingdom of Mosquitia Guatemala Honduras El Salvador United States	Filibusters	Victory William Walker's army is defeated and he is arrested by the American Navy
Barrios' War of Reunification (1885)	El Salvador Mexico Costa Rica Nicaragua	Guatemala Honduras	Victory Withdrawal of Guatemalan soldiers Death of Justo Rufino Barrios
World War I (1918)	France United Kingdom Russia United States   Italy   Japan China Canada Australia New Zealand   India   South Africa   Serbia   Montenegro   Romania   Belgium   Greece   Portugal   Brazil   Cuba   Panama   Guatemala   Nicaragua   Costa Rica   Honduras	Germany   Austria-Hungary   Ottoman Empire   Bulgaria	Victory End of the German, Russian, Ottoman, and Austro-Hungarian empires Formation of new countries in Europe and the Middle East Transfer of German colonies and regions of the former Ottoman Empire to other powers Establishment of the League of Nations
Coto War (1921)	Costa Rica	Panama	Victory Panama ceded Coto to Costa Rica [1]
World War II (1941–1945)	United States Soviet Union United Kingdom China France Poland Canada Australia New Zealand   India   South Africa   Yugoslavia   Greece Denmark Norway Netherlands Belgium Luxembourg   Czechoslovakia Brazil Mexico Panama Costa Rica El Salvador Guatemala Honduras Nicaragua Dominican Republic Cuba	Germany   Japan   Italy   Hungary   Romania   Bulgaria Croatia Slovak Republic (1939–1945)   Thailand   Manchukuo   Mengjiang	Victory Collapse of the Third Reich Fall of Japanese and Italian Empires Creation of the United Nations Emergence of the United States and the Soviet Union as superpowers Beginning of the Cold War
Costa Rican Civil War (1948)	Costa Rica Calderón Forces People's Vanguard Party Somoza Forces	National Liberation Movement Ulatistas	Regime change Teodoro Picado Michalski toppled
Calderonista invasion of Costa Rica (1955)	Costa Rica	Calderón Forces Nicaragua	Victory Nicaraguan withdrawal from Costa Rica
Dominican Civil War (1965–1966)	Dominican Loyalists United States Brazil Paraguay Honduras Nicaragua Costa Rica El Salvador	Dominican Constitutionalists	Victory Juan Bosch excluded from Presidency Election of Joaquín Balaguer

References

1. Tomán, René De La Pedraja. Wars of Latin America, 1899-1941, p. 100. Jefferson, NC: McFarland &, 2006.