 Ramba uchiverenga ndima ino - Mauto eArgentina akagadzwa mushure mekunge May Revolution yaMay 25, 1810, iyo yakatanga hondo yekusunungukakubva kuSpain. Mauto ehondo akatanga kusikwa kuti atsigire Manuel Belgrano muhondo yeParaguay, asi yakanyudzwa nezvikepe zvakabva kuMontevideo, uye haina kutora chikamu muhondo iyoyo. Kurwisana kutsva neMontevideo kwakatungamirira kusikwa kwechikepe chechipiri, icho chakabatanidzwa mukubatwa kweguta. Sezvo Buenos Aires yakanga isina nhoroondo yakawanda yokufamba nomugungwa, varume vakawanda vaiva muuto rehondo vaibva kune dzimwe nyika, vakadai saAdmiral William Brown wokuIreland, uyo akatungamirira basa racho. Sezvo mutengo wokuchengeta uto rehondo wakanga wakanyanya kukwirira, mazhinji emauto ehondo eArgentina akanga akaumbwa navatengesi. 