Military history of the Republic of Turkey in foreign relations and join NATO on February 18, 1952. Following NATO membership, Turkey initiated a comprehensive modernization program for its Armed Forces. In July 1974, the Turkish Armed Forces intervened against a coup in Cyprus, organized by EOKA-B and led by Nikos Sampson who ousted the democratically elected Cypriot President Archbishop Makarios III in order to establish Enosis (Union) between Greece and Cyprus. The coup was backed by the Greek military junta in Athens. On 20 July 1974 the Turkish Army invaded the island from the north, landing in Pente Mili beach, near Keryneia. The operations (named Attila I
Northern Cyprus their respective plans for (union with Greece) and (Turkish for "partition"). The agreement involved Cyprus being governed under a constitution which apportioned Cabinet posts, parliamentary seats and civil service jobs on an agreed ratio between the two communities. Within three years, tensions began to show between the Greek Cypriots and Turkish Cypriots in administrative affairs. In particular, disputes over separate municipalities and taxation created a deadlock in government. In 1963 President Makarios proposed unilateral changes to the constitution, via 13 amendments. Turkey and the Turkish Cypriots rejected the proposed amendments, claiming that this was an attempt to settle constitutional disputes