an Entity references as follows:
The Battle of Portada de Guías (Spanish: Batalla de Portada de Guías), also known as the Battle of Guía (Spanish: Batalla de Guía) or Battle of Piñonate (Spanish: Batalla de Piñonate), was a battle between an alliance made up of Chile and the Restoration Army of Peru, and the secessionist Peruvian Republic in 1838 during the War of the Confederation.