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 name the surnames Hoxha (mullah, either Bektashi or Sunni) and Prifti (priest, used by both Catholics and Orthodox) remain very common. Arvanite and pre- modern Albanian surnames are also common. Many Arvanite surnames are found in Albania, in the modern Albanian form. For example, the word in Arvanitika (Arbërisht) for "brave" or "pallikari" (in Greek) being "çanavar" (Turkish canavar meaning "monster") or its shortened form "çavar" was pronounced "tzanavar" or "tzavar" giving birth to Arvanitic family names like "Tzanavaras" and/or "Tzavaras". This is a link between Albanian and Greek names. The Arvanite surname "Κριεζής" (Kriezis) is a very common Albanian surname.