Filibuster War
June 16, 1855 โ May 1, 1857
Result Central American alliance victory
The American adventurer William Walker took control of Nicaragua with a private army and made himself president. Costa Rica and other Central American states joined forces and drove him out.
Battles 2
March 20, 1856
Battle of Santa Rosa
Costa Rican victory
April 11, 1856
Second Battle of Rivas
Rivas
