 Complete the following phrase:  Having invaded in 1570, Turks controlled and solely governed all of the Cyprus island from 1571 until its leasing to the British Empire in 1878. Cyprus was placed under British administration based on Cyprus Convention in 1878 and formally annexed by Britain at the beginning of World War I in 1914. While Turkish Cypriots made up 18 of the population, the partition of Cyprus and creation of a Turkish state in the north became a policy of Turkish Cypriot leaders and the Republic of Turkey in the 1950s. Politically, there was no majorityminority relation between Greek Cypriots and Turkish Cypriots; and hence, in 1960, Republic of Cyprus was founded by the constituent communities in Cyprus Greek Cypriots and Turkish Cypriots as a non-unitary state; the 1960 Constitution set both Turkish and Greek as the official languages. During 196374, the island experienced ethnic clashes and turmoil, following the Greek nationalists coup to unify the island to Greece, which led to the eventual 