Monday President Karolos Papoulias to meet with visiting Austrian President Heinz Fischer. At 6.30 p.m. Papoulias will announce the opening of the Panhellenic Special Olympics at the Peace and Friendship Stadium. Left Coalition President Alekos Alavanos visits Iraklion, Crete. The Hellenic National Council for Combating Doping (ESKAN) hosts a conference on «Doping: From Suppression to Prevention,» in Thessaloniki. Tel. 210.649.6524-7. Health Level 7 holds the second panhellenic conference on «Information Systems in Health and Social Security,» at 9 a.m. at the President Hotel. To Wednesday. Tel. 210.748.9200 or log on to www.hl7.org.gr. Tuesday The Civil Servants’ Union (ADEDY) and the General Confederation of Greek Labor (GSEE) will stage a 24-hour strike to press demands for the return of money believed to have been lost by pension funds in a bond scandal. The Journalists’ Union of Athens Daily Newspapers (ESIEA) will also participate with a 24-hour strike. The Constantine Karamanlis Institute for Democracy holds a conference on «The Political Message of the French Elections,» at 6 p.m. at the Athens Hilton Hotel. Tel. 210.725.7495 or log on to www.idkaramanlis.gr. The National Observatory of Athens hosts a workshop on «The Science of European Space Exploration,» in cooperation with the European Science Foundation, at 9 a.m. at the Athens Royal Olympic Hotel. To tomorrow. Tel. 210.349.0101 or log on to www.space.noa.gr. Wednesday The Hellenic Network for Corporate Social Responsibility will hold its first international meeting on «Planning and urban development in the context of sustainability,» at 10 a.m. at the Panteion University. To tomorrow. Tel. 210.9967152. Thursday The University of Ioannina will hold a conference on «Primary Education and the Challenges of our Era.» To Sunday. Tel. 26510.958.81 or log on to www.uoi.gr. The National Book Center hosts the fourth international book fair at the Helexpo exhibition center in Thessaloniki. President Karolos Papoulias will open the fair. To Sunday. The General Confederation of Greek Agrarian Associations (GESASE) will hold a seminar on «The New Common Agricultural Policy – Challenges and Perspectives,» at 11 a.m. at the President Hotel. To tomorrow. For details, log on to www.gesase.gr. Hellenic Petroleum will hold its annual general meeting at its headquarters in Aspropyrgos at noon. Friday Prime Minister Costas Karamanlis begins a trip to New Zealand, Australia and Vietnam. To May 27. PASOK two-day conference begins. The International Sports Forum for Peace and the Olympic Truce begins at the International Olympic Committee in Ancient Olympia. Culture Minister Giorgos Voulgarakis and the President of the International Olympic Committee Jacques Rogge to make opening speeches. To Monday. Tel. 210.817.4408. The Left Coalition party will host a two-day conference on «European Unity and the Left,» at 6 p.m. at the amphitheater of the General Confederation of Greek Labor (GSEE). Party president Alekos Alavanos will speak. To tomorrow. For details, log on to www.syn.gr. The biannual general meeting of the European Council on Refugees and Exiles (ECRE) will be held for the first time in Greece at the European Centre in Delphi. The meeting is hosted by the Greek Council for Refugees. To tomorrow. Tel. 210.332.0053 or log on to www.gcr.gr. The Union of Greek Scientists for Standardization (ENETROP) will hold a conference on «Standardization, Prototypes and Quality: A Means of Cooperation between Balkan Countries,» at the Small Industry Chamber of Thessaloniki. Tel. 2310.286.680 or log on to www.enetrop.gr. The fifth Critical Care and Emergency Medicine meeting of the Greek Armed Forces Medical Corps on «Septic Patients and Patients with Trauma: Latest Data» begins at 10 a.m. at the 251 Air Force Hospital. To tomorrow. Tel. 210.746.3978 or log on to www.armyicu.gr. The Greek Computer society and the University of Patras will hold the 11th Panhellenic Conference on Informatics (PCI 2007) at the university’s congress center. To Sunday. Tel. 2610.996.982 or log on to www.upatras.gr. Autonomia EXPO, an exhibition for the disabled, begins at 9 a.m. at the Peace and Friendship Stadium. To Sunday. Tel. 210.866.0556 or log on to www.autonomiaexpo.org.