European Rare Disease Day. Health Ministry hosts a “National Action Plan for Rare Disease” conference at 2 p.m. at the Ministry.

Prime Minister Costas Karamanlis to meet with Tourism Minister Aris Spiliotopoulos at 11 a.m.

The Foreign Ministry and the Hellenic Federation of Enterprises (SEV) host a conference on “Actions of Economic Diplomacy-2007 Review,” at noon at the Athens Concert Hall. Foreign Minister Dora Bakoyannis will speak. For details, log on to www.sev.org.gr.

Temporary employees of the Culture Ministry continue a 24-hour strike demanding permanent status. At 10 a.m. protesters will gather at the Byzantine Museum and then march to the Interior Ministry.

Municipal workers stage a 24-hour strike over social security.

Technical College (TEI) presidents to meet in Serres. Education Minister Evripidis Stylianidis will attend.

The Hellenic Foundation for European and Foreign Policy (ELIAMEP) is hosting a conference on “Decision-making in the 21st Century: Philosophy at the Root of Decision-making Trees,” at 7 p.m. at the National Bank of Greece’s Theodoros Karatzas Amphitheater. Tel. 210.725.7124 or log on to www.eliamep.gr.

WWF Hellas is hosting a conference on “Climate Change,” at 6 p.m. at the Cultural Center of the Municipality of Athens. Tel. 210.331.4893 or log on to www.wwf.gr.

The “Activetrip” exhibition on “New and Special Forms of Tourism,” begins in Patras and will run through Sunday. Tel. 210.617.2700 or log on to www.activetrip.gr.

Panteion University begins a two-day conference on “Freedom, Rights and Security in the European Union,” at 11 a.m. at the University. Tel. 210.920.1604 or log on to www.dikee.gr.

The 10th “Franchising KEM 2008” international exhibition opens its doors at the Helexpo Palace in Maroussi. To Monday. For further details, call 210.608.4550 or log on to www.kemexpo.gr.

A rectors’ summit begins in Komotini prefecture, to be attended by Education Minister Evripidis Stylianidis.

The Federation of Thessaly Industries holds its annual general meeting at 7.30 p.m. at the Larissa Imperial Hotel in Larissa. Development Minister Christos Folias will speak.