الجماعة الأوروبية للفحم والصلب
In 1955 the foreign ministers of the European Coal and Steel Community met at the Messina Conference, among other things to nominate a member of the High Authority of the European Coal and Steel Community and to appoint its new president and vice-presidents for the period ending 10 February 1957. The conference, which was held from 1 to 3 June 1955 in the Italian city of Messina, Sicily, would lead to the signing of the Treaty of Rome in 1957.