▁international ▁organizations ▁that ▁were ▁govern ed ▁by ▁the ▁same ▁set ▁of ▁institutions . ▁These ▁were ▁the ▁European ▁Co al ▁and ▁Ste el ▁Community ▁( EC SC ), ▁the ▁European ▁At omic ▁Energy ▁Community ▁( E A EC ▁or ▁Eur atom ), ▁and ▁the ▁European ▁Econom ic ▁Community ▁( E EC ); ▁the ▁last ▁of ▁which ▁was ▁renamed ▁the ▁European ▁Community ▁( EC ) ▁in ▁ 1 9 9 3 ▁by ▁the ▁Ma astr icht ▁Tre aty , ▁which ▁formed ▁the ▁European ▁Union . ▁ ▁When ▁the ▁Commun ities ▁were ▁incorpor ated ▁into ▁the ▁European ▁Union ▁in ▁ 1 9 9 3 , ▁they ▁became ▁its ▁first ▁pill ar . ▁The ▁European ▁Co al ▁and ▁Ste el ▁Community ▁ceased ▁to ▁exist ▁in ▁ 2 0 0 2 ▁when ▁its ▁found ing ▁treat y ▁exp ired . ▁The ▁European ▁Community ▁was ▁dissol ved ▁into ▁the ▁European ▁Union ▁by ▁the ▁Tre aty ▁of ▁Lis bon ▁in ▁ 2 0 0 9 ; ▁with ▁the ▁EU ▁becoming ▁the ▁legal ▁successor ▁to ▁the ▁Community . ▁Eur atom ▁remained ▁an ▁entity ▁distinct ▁from ▁the ▁EU , ▁but ▁is ▁govern ed ▁by ▁the ▁same ▁institutions . ▁ ▁History ▁ ▁Three ▁communities ▁ ▁The ▁EC SC ▁was ▁created ▁first . ▁Following ▁its ▁proposal ▁in ▁ 1 9 5 0 ▁in ▁the ▁Sch uman ▁Dec laration , ▁Belg ium , ▁France , ▁Italy , ▁Luxemb ourg , ▁the ▁Netherlands , ▁and ▁West ▁Germany ▁came ▁together ▁to ▁sign ▁the ▁Tre aty ▁of ▁Paris ▁in ▁ 1 9 5 1 ▁which ▁established ▁the ▁Community