Battle of Boquerón (1866)

The Battle of Boquerón was fought on July 18, 1866 between an allied force of Uruguayans and Argentineans on one side and Paraguay on the other. The allies were led by Spanish-born Uruguayan officer León de Pallejas (1816-1866) and the Paraguayans were led by Elizardo Aquino. There were heavy casualties on both sides and both commanders were killed in the battle.