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
Diomede Islands zones, Big Diomede is only 21 hours ahead of Little Diomede (20 in summer; not 23 or 24 hours ahead, which is a common misconception). Because of this, the islands are sometimes called Tomorrow Island (Big Diomede) and Yesterday Island (Little Diomede). The islands are named for Saint Diomedes, whose name is derived from the Greek words Διος ("Dios"), meaning "of Zeus", and μηδομαι ("medomai"), meaning "to think, to plan". The islands are separated by an international border, which coincides with the International Date Line, about from each island, at 168°58'37"W. At their closest points, the two islands are about