The 38th session of UNESCO Conference in Paris proclaimed 2016, The Aristotle Anniversary Year. The Interdisciplinary Centre for Aristotle Studies of Aristotle University of Thessaloniki, under the auspices of H.E. the President of the Hellenic Republic, will hold the World Congress “Aristotle 2400 Years” in May 23-28, 2016, celebrating the 2400 years of the philosopher’s birth, in order to designate the unique impact in volume of influence in the history of human thought of Aristotle’s work. The Congress will be held in Thessaloniki, at the Aristotle University (which bears the Stageirite’s name), in ancient Stageira (Municipality of Aristotle), birthplace of Aristotle, and in ancient Mieza (Municipality of Naousa). More than 400 participants from 40 different countries will present their papers on the highly influential work for the History of the human spirit of the great ancient philosopher, during these 24 centuries.