terrorist group N17 (November 17). 1989, 23 November: Xenophon Zolotas agrees to serve as interim non-party Premier, until new elections can be instituted. 1990, 11 April: Constantine Mitsotakis becomes Prime Minister, after his New Democracy party wins the elections. 1991, 5 February: The worst accident in the history of the Hellenic Air Force. Lockheed C-130H Hercules 748 crashes into Mount Othrys. 63 people are reported killed. 1991, 8 September: The Macedonia naming dispute arises, after the declaration of independence of the Republic of Macedonia. 1992, January: After a "special court" trial, Andreas Papandreou is cleared of the charges resulting from the Bank of Crete scandal. 1992, 3 July: The adoption of a flag incorporating the Vergina Sun by the Republic of Macedonia, increases tensions between the two countries. 1993, 13 October: Andreas Papandreou's Panhellenic Socialist Movement (PASOK) wins the general elections. 1994, 16 February: Greece imposes an embargo on the Republic of Macedonia. 1994, 6 March: Greek actress, singer, political activist of the anti-dictatoric struggle and Minister of Culture Melina Mercouri dies of cancer. She receives an elaborate state funeral, which is attended by hundreds of thousands of people. 1995, 13 May: Grevena and Kozani are struck by an earthquake. Several villages are destroyed and hundreds of people are left homeless. 1995, 15 June: An earthquake shatters Aigio. 26 people are reported dead. 1995, November: Greece ends the embargo that had imposed on the Republic of Macedonia, after the later's decision to change its flag and controversial articles of its constitution. 1996, 16 January: Andreas Papandreou, hospitalized with advanced heart disease and kidney failure since November 1995, retires from office. 1996, 18 January: Costas Simitis is elected Premier. 1996, 31 January: The Imia/Kardak crisis. Greece and Turkey are brought to the brink of war. A Greek military helicopter crashes in the area, killing the three pilots aboard. Later a Turkish F-16 was shot down by a Greek mirage-2000 over the Aegean, killing its pilot Nail Erdogan and the co-pilot bailing out. 1996, 23 June: Andreas Papandreou dies. His funeral procession produces a great outpouring of public emotion. 1996, 23 July: Greece's national actress Aliki Vougiouklaki dies after short illness. Her funeral is attended by hundreds of thousands of people. 1996, 11, 14 August: During demonstrations in Cyprus, activists Tassos Isaac and Solomos Solomou are murdered by members of the Grey Wolves. 1997, 17 December: Yakovlev Yak-42 of the Aerosvit Airlines