Cyprus dispute Kingdom of Cyprus. In February 1489 it was seized by the Republic of Venice. Between September 1570 and August 1571 it was conquered by the Ottoman Empire, starting three centuries of Turkish rule over Cyprus. Starting in the early nineteenth century, ethnic Greeks of the island sought to bring about an end to almost 300 years of Ottoman rule and unite Cyprus with Greece. The United Kingdom took administrative control of the island in 1878, to prevent Ottoman possessions from falling under Russian control following the Cyprus Convention, which led to the call for union with Greece ("enosis") to grow
Cyprus dispute louder. Under the terms of the agreement reached between Britain and the Ottoman Empire, the island remained an Ottoman territory. The Christian Greek-speaking majority of the island welcomed the arrival of the British, as a chance to voice their demands for union with Greece. When the Ottoman Empire entered World War I on the side of the Central Powers, Britain renounced the Agreement, rejected all Turkish claims over Cyprus and declared the island a British colony. In 1915, Britain offered Cyprus to Constantine I of Greece on condition that Greece join the war on the side of the British, which