An advisory referendum on the European Economic Community was held in Italy on 18 June 1989,Dieter Nohlen & Philip Stöver (2010) Elections in Europe: A data handbook, p1048 alongside European elections. The non-binding referendum was called by all main parties with a special law, because the Italian Constitution does not allow this type of question. The Italian political spectrum wanted to re-affirm the popular support of Italy to the process of European integration, particularly giving to the European Parliament a popular, constitutional mandate in event of a future European Constitution.
Result ChoiceVotes% Yes29,189,77788.1No3,954,99811.9Invalid/blank votes4,364,611–Total37,509,415100Registered voters/turnout46,323,41581.0Source: Nohlen & Stöver
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