Place? The battle of Alliance height (spanish: Batalla del Alto de la Alianza) happened in the city of Tacna, located in the south of Peru. When? On May 26, 1880, the Chilean northern operations army led by General Manuel Baquedano González, conclusively defeated a Peru-Bolivian army commanded by Bolivian President, General Narciso Campero, after almost five hours of fierce combat.
Countries? The battle Alliance heights was the war between Peru-Bolivia against Chile. Peru has Win or lose? Peru lose the battle against Chile, the Peruvian army lost 185 officers, and more than 3,000 soldiers were killed, only 400 Peruvian men escaped from the battle.