Thursday National First Aid Center (EKAB) staff stage two four-hour work stoppages today and tomorrow, from 9 a.m. to 1 p.m. and 3 p.m. to 7 p.m. A two-day conference organized by the Constantine Mitsotakis Foundation and titled «The 1946 Elections» starts at the amphitheater of the Karatzas Mansion on Aeolou Street. Mitsotakis, a former prime minister, is to make the opening speech. To tomorrow. State primary school teachers stage a 24-hour strike over pay demands. Alpha Bank and the Macedonian Museum of Contemporary Art hold a press conference at the museum’s amphitheater in Thessaloniki at 12.30 p.m. to launch the exhibition «Greek Art from 1920 to Today,» which runs to January 14. The Institute of Human Resources Management (IMAD) and the Hellenic Management Association (EEDE) host a conference at the EDEE conference center at 6 p.m. in view of European Quality Week. Tel. 210.211.2000. Friday The US Embassy in Athens, including the consular section, the US Consulate General in Thessaloniki and all US government offices in Greece, are closed in observance of Veterans Day, a US national holiday. The 2nd International Tourism Forum starts on Rhodes. To Saturday. Saturday The 9th Luxury Cars Exhibition «Executive Cars 2006» opens at the Helexpo Palace in Maroussi. For more information, log on to www.tsomokos.gr. The 3rd International Conference on Open and Distance Learning, «Applications of Pedagogy and Technology,» takes place in Patras. Visit www.confer.upatras.gr. To Monday. The National Hellenic Research Foundation and the Iranian Cultural Center hold the first conference on «Ancient Greece and Ancient Iran: Cross-Cultural Encounters» at the amphitheater of the National Hellenic Research Foundation in Athens. To Monday.