 Nyora kupfuurira kweiyi ndima - Pashure peMay Daysye1937, Hurumende yeRepublic yakaparadza mauto eCatalonia-Aragonese ndokuabatanidza muPeoples Army yeRepublic. Chikamu cheAscaso chakazotumidzwa kuti Chikamu chechi28, uye Durruti Regiment yakazozivikanwa se125th Mixed Brigade. Muna 1937, Brigade yakabatsira kuHuesca Offensive, kusanganisira kuedza kudzorera chiteshi cheAlerce pakati pa12 na16 Chikumi, hondo yakakosha iyo maRepublican akarasikirwa. Vakatorawo rutivi muHondo yeBelchite uye Hondo yeEbro. 