2004 Cypriot Annan Plan referendums
A referendum on the Annan Plan was held in the Republic of Cyprus and the Turkish Republic of Northern Cyprus on 24 April 2004. The two communities were asked whether they approved of the fifth revision of the United Nations proposal for reuniting the island, which had been divided since 1974.
Source: Wikipedia — 2004 Cypriot Annan Plan referendums (CC BY-SA 4.0)