Mezue ahịrịokwu na-esonụ: Ọchịagha Luis Germán Astete nke ndị agha mmiri nke Peru ji ọtụtụ egbe Gatling si United States gaa Peru na December 1879 n'oge Agha Peru-Chile nke Pacific. Ndị agha mmiri na ndị agha Peruvian jiri egbe Gatling mee ihe, ọkachasị na
Agha nke Tacna (Mee 1880) na Agha nke San Juan (Jenụwarị 1881) megide ndị agha Chile na-awakpo.