Ka cika wannan furcin: Ƙungiyar Ƙasashen Bakwai (G7) taro ne da ba na hukuma ba da ya haɗa shugabannin ƙasashe masu arziki da suka sami ci gaba a masana'antu: Faransa, Jamus, Italiya, Japan, United Kingdom, United States, da kuma Kanada tun daga shekara ta 1976. An kafa G8, wanda ya hadu a karo na farko a 1997, tare da kara da Rasha. Bugu da ƙari, shugaban Hukumar Tarayyar Turai an haɗa shi a cikin tarurruka tun 1981. Ba a yi niyyar haɗuwa da tarurruka ba tare da manyan cibiyoyin ƙasa da ƙasa; kuma a zahiri, tawaye mai sauƙi game da tsananin tsari na sauran tarurruka na ƙasa da ƙasa wani ɓangare ne na asalin haɗin gwiwa tsakanin Shugaban Faransa Giscard d'Estaing da Chancellor na Jamus ta Yamma Helmut Schmidt kamar yadda suka tsara taron.
taron farko na rukuni na shida (G6) a shekarar 1975.