 Nyora kupfuurira kweiyi ndima - CONTAG yakavambwa musi waDecember 22, 1963 muRio de Janeiro. Panguva iyoyo kwaiva nemasangano 14 nemasangano 475 evashandi vomumaruwa. Nechiuto cha1964, mubatanidzwa nemasangano awo akabatwa nehurumende. Vatungamiriri vezvematongerwe enyika vakawanda vakasungwa kana kuti vakamanikidzwa kuenda kunyika yokumwe. Zvisinei, pakazosvika 1968 sangano racho rakatanga kushanda rakazvimirira uye rakakurudzira kuumbwa kwemasangano nemasangano emaruwa muBrazil. Nhamba yemasangano emaruwa yakawedzera kubva pa625 muna 1968 kusvika pa2144 muna 1980. 