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London-Zürich Agreements

From left to right: Greek Prime Minister Karamanlis, Turkish Minister of Foreign Affairs Zorlu and Turkish Prime Minister Menderes at the negotiations in Zürich, Switzerland

The London and Zürich Agreements for the constitution of Cyprus started with an agreement on the 19 February 1959 in Lancaster House in London, between Turkey, Greece, the United Kingdom and Cypriot community leaders (Archbishop Makarios III for Greek Cypriots and Dr. Fazıl Küçük for Turkish Cypriots). On that basis, a constitution was drafted and agreed together with two further Treaties of Alliance and Guarantee in Zürich on 11 February 1959.

Cyprus was accordingly proclaimed an independent state on 16 August 1960.

Following the failure of the Agreement in 1963 and subsequent de facto military partition of Cyprus into Greek-Cypriot and Turkish-Cypriot regions, the larger Greek-Cypriot Region, controlled by the Cypriot Government, claims that the 1960 Constitution basically remains in force, whereas the Turkish-Cypriot region claims to have seceded by the Declaration of Independence of the Turkish Republic of Northern Cyprus in 1983.

Constitutional provisions

The Constitution provided for under the Agreements divided the Cypriot people into two communities on the basis of ethnic origin. The President had to be a Greek-Cypriot elected by the Greek-Cypriots, and the Vice-President a Turkish-Cypriot elected by the Turkish-Cypriots. The Vice-President was granted the right of a final veto on laws passed by the House of Representatives and on decisions of the Council of Ministers which was composed of ten ministers, three of whom had to be Turkish-Cypriots nominated by the Vice-President.

In the House of Representatives, the Turkish Cypriots were elected separately by their own community. The House had no power to modify the basic articles of the Constitution in any respect and any other modification required separate majorities of two thirds of both the Greek Cypriot and the Turkish Cypriot members. Any modification of the Electoral Law and the adoption of any law relating to municipalities or any fiscal laws required separate simple majorities of the Greek Cypriot and Turkish Cypriot members of the House. It was thus impossible for representatives of one community alone to pass a bill.


The United Nations Mediator on Cyprus, Dr. Galo Plaza,[1] described the 1960 Constitution created by the Zürich and London Agreements as "a constitutional oddity", and that difficulties in implementing the treaties signed on the basis of those Agreements had begun almost immediately after independence.[2]

Within three years the functioning of the legislature started to fail, and in 1963, when the fiscal laws under Article 78 of the Constitution expired, the House of Representatives split along straight communal lines and failed to renew the income tax upon which the public finances depended.[citation needed]

In November 1963, the (Greek-Cypriot) President of the Republic, Archbishop Makarios III, suggested amendments to the Constitution "to resolve constitutional deadlocks". The Turkish-Cypriot leadership, following the mainland Turkish government, said they were unacceptable. The Vice President publicly declared that the Republic of Cyprus had ceased to exist, and along with the three Turkish-Cypriot Ministers, the Turkish-Cypriot members of the House withdrew, as did Turkish-Cypriot civil servants. President Makarios refused all suggestions which would have resulted in the partition of Cyprus, and negotiations over the problem have never yet succeeded.

De facto, Cyprus has remained partitioned for over fifty years.

Treaties of Guarantee and of Alliance

Together with the Zürich and London Agreements, two other treaties were also agreed upon in Zürich.

The Treaty of Guarantee was designed to preserve bi-communal consociationalism and independent state of the Republic of Cyprus. Cyprus and the guarantor powers (the United Kingdom, Turkey, and Greece) promised to prohibit the promotion of "either the union of the Republic of Cyprus with any other State, or the partition of the Island".

Article Four of the Treaty of Guarantee provides, "In so far as common or concerted action may not prove possible, each of the three guaranteeing Powers reserves the right to take action with the sole aim of re-establishing the state of affairs [i.e. bi-communal consociational state] created by the present Treaty."[3]

In July 1974, there was briefly a Greek-backed coup d'état in Cyprus. Turkey claimed under the Treaty of Guarantee to intervene militarily. The legality of the invasion depends on whether common or concerted action between the United Kingdom, Greece and Turkey had proved impossible and whether the outcome of the invasion safeguarded the bi-communal consociational, independence, sovereignty and territorial integrity of the Republic of Cyprus. In 1983, Turkish Cypriots issued the Declaration of Independence of the Turkish Republic of Northern Cyprus. This has been recognized by Turkey only. The United Nations declared the Turkish Republic of Northern Cyprus legally invalid and asked for its withdrawal.[citation needed] The UN Security Council has issued multiple resolutions that all states should refrain from recognizing the protectorate of Turkey in Cyprus.[citation needed]

Greece, Turkey and Cyprus also signed a Treaty of Alliance.


  1. ^ para. 163 of Report to the U.N. Secretary-General in March 1965
  2. ^ paragraph 129, ibid.
  3. ^ Treaty of Guarantee of Republic of Cyprus