a) 1958-1969: Mellem 1958 og 1969 (da overgangsperio­den for oprettelse af det fælles marked ophørte, jf. Rom-Traktatens artikel 8) gik De Seks over til at opbygge den form for økonomisk fællesskab, der var forudset i Rom-Traktaten.
(a) 1958 — 1969: Between 1958 and 1969 (when the transitional period for the creation of a common market came to an end, according to Article 8 of the Rome Treaty) the Six proceeded to construct the kind of economic com­munity envisaged in the Rome Treaty.