Dee ihe na-aga n'ihu na paragraf a - Ala na nnwere onwe kọlụm bụ kọlụm ndị agha nke CNT-FAI haziri site na mpaghara Berguedà na Bages yana site na Barcelona. E zigara kọlụm ahụ n'ihu agha Central
n'etiti ọnwa Septemba 1936 iji wusie usoro ndị Republican ike megide ndị agha mba nke na-abanye Talavera de la Reina ma nọchibido Toledo, si otú ahụ na-eyi Madrid egwu. O nwere ihe dị ka ndị agha 1,500 na mbido ya, na-esonye na ihu nke Sierra de Gredos na Sierra de Albarracín. Ogidi ahụ jikọtara ya na Rosal Column ma mesịa lụọ ọgụ na Serra de Montsant. Mgbe agha ahụ mere n'oge opupu ihe ubi nke 1937, kọlụm ahụ ghọrọ 153rd Mixed Brigade.