 Nyorai kupfuurira kweiyi ndima - MuMadokero, chisarudzo chakaitwa kuburikidza neChibvumirano cheRome muna 1957 kuvhura sangano rekutanga reEuropean Economic Community. Iyo yakagoverana Assembly neDare neCoal and Steel Community, asi yakagadza mitezo yakafanana yeDare neKomisheni. Zvichibva paSpaak Report ya1956, yakatsvaka kuputsa zvipingamupinyi zvose zvokutengeserana mumusika wakafanana wezvinhu, mabasa, basa uye mari, uye kudzivirira kukanganisa kwokukwikwidzana uye kuronga nzvimbo dzefariro yakafanana dzakadai sekurima, simba uye kutakura. Chibvumirano chakasiyana chakasainwa nokuda kweEuropean Atomic Energy Community kuti itarisire kugadzirwa kwenyukireya. Muna 1961 United Kingdom, Denmark, Ireland neNorway vakakumbira kuva nhengo chete kuti varambidzwe muna 1963 naCharles de Gaulle weFrance. Spain yakanyorerawo ndokurambwa sezvo yakanga ichitungamirirwa noudzvinyiriri hwaFranco. Mugore iroro, Dare reJustice rakazivisa kuti Community yakaumba hurongwa hutsva hwemutemo wenyika dzakawanda. Chibvumirano cheMerger pakupedzisira chakaisa ECSC neEuratom mukati meEEC. Nokukurumidza pashure pacho, de Gaulle akaramba Komisheni, iyo aifunga kuti yakanga ichimanikidzira kunyanyisa kworudzi. Chibvumirano cheLuxembourg cha1966 chakabvumirana kuti France kana kuti dzimwe nyika yaigona kuisa vheti pazvinhu zvekufarira kukuru kwenyika, zvikurukuru zvine chokuita neCommon Agricultural Policy, panzvimbo pokuita zvisarudzo neruzhinji rwakakwaniriswa. Asi pashure pezvinoitika zvaMay 1968 muFranceuye kusiya basa kwaDe Gaulle, nzira yakazaruka kuti United Kingdom, Ireland neDenmark zvibatanidzwe muna 1973. Norway yakanga yaramba kubatana mu 1972 referendamu, nepo UK yakasimbisa kuva kwayo nhengo mu 1975 referendamu. 