Timeline of Albanian history to 1993 cooperation signed with Yugoslavia; Yugoslav advisers and grain begin pouring into Albania. October<br> 26 October: Two British ships destroyed by mines off Albania's coast in the Straits of Corfu, see Corfu Channel Incident, . November<br> Albania breaks diplomatic relations with the United States after the latter withdraws its informal mission. 1947 April May<br> A United Nations commission concludes that Albania, together with Bulgaria and Yugoslavia, supported communist guerrillas in the Greek Civil War; Yugoslav leaders launch verbal offensive against anti-Yugoslav Albanian communists, including Hoxha; pro-Yugoslav faction begins to wield power. July<br> Albania refuses participation in the Marshall Plan of the
Albanian Ionian Sea Coast Sea. Sarandë is served by Port of Sarandë, one of the largest of the country, which has become a famous sailing and cruise port. The region is very scenic, with wild coastlines, mountains and a very high proportion of native forest. Some of the most prominent beaches along the coastline are Dhërmi, Himara, Qeparo, Borsh, Lukovë, Vuno and Ksamil. The Albanian Ionian Sea Coast is known for its diverse landscapes, unique traditions, and its influence on Albanian culture. It is regarded as the birthplace of the Albanian iso-polyphony which was recognised as a Masterpiece of the Oral and Intangible Heritage