The Battle of Itororó was a significant conflict during the War of the Triple Alliance, which took place from 1864 to 1870. This battle occurred on December 19, 1868, near the Itororó River in present-day Paraguay. The forces of Paraguay, led by Francisco Solano López, faced off against the allied troops of Argentina, Brazil, and Uruguay. The battle was marked by intense fighting and strategic maneuvers, ultimately resulting in a victory for the allied forces. This engagement was part of a larger campaign aimed at weakening López's regime and ending the war, which had devastating effects on Paraguay and its population.