FILE - Then Greek Premier Costas Simitis, waves to ruling Socialist party's congress delegates shortly before the start of his speech in Athens on Thursday June 27, 1996. Costas Simitis, a Prime Minister of Greece from 1996 to 2004 and the architect of the country's joining the common European currency, the euro, has died at 88, state TV ERT reports. (AP photo/ Aris Saris, File)