Greek–Turkish relations regime, there were periodic crises with Turkey, which suspected that the Greek regime was planning a pro-unification coup in Cyprus. A 1971 Turkish law nationalized religious high schools, and closed the Halki seminary on Istanbul's Heybeli Island which had trained Greek Orthodox clergy since 1844. On July 15, 1974, a band of Greek Cypriot nationalists formed EOKA B, advocating Enosis (Union) with Greece and, backed by the Greek military junta in Athens, staged a coup against the Cypriot President and Archbishop Makarios. An ex-EOKA man, Nikos Sampson was appointed President. On July 20, Turkey—using its guarantor status arising from the
Politics of Cyprus 1985, they adopted a constitution and held elections—an arrangement recognized only by Turkey. For information pertaining to this, see Politics of the Turkish Republic of Northern Cyprus. The Organisation of the Islamic Conference (now the Organisation of Islamic Cooperation) granted it observer member status under the name of "Turkish Cypriot State". The division of Cyprus has remained an intractable political problem plaguing relations between Greece and Turkey, and drawing in NATO, of which both Greece and Turkey are members, and latterly the European Union, which has admitted Greece and Cyprus and which Turkey has been seeking to join for over