• 1938

    A plan for the IOA was submitted by Ioannis Ketseas and Carl Diem and adopted by the Hellenic Olympic Committee, who informed the IOC members during the 38th IOC Session in Cairo.
  • 1939

    The IOC placed the IOA under its auspices during the 39th IOC Session in London.
  • 1947

    Ketseas and Diem submitted a memorandum on the operation of the Academy to the 41st IOC Session in Stockholm.
  • 1949

    On April 28th, the 44th IOC Session in Rome approved the establishment of the IOA by the HOC, under the auspices of the IOC.
  • 1961

    On June 16th, the IOA was officially inaugurated with the commencement of the 1st annual International Session for Young participants which was held from 16th to 23rd June. In addition, the IOA received the Bonacosa Award.
  • 1967

    The first permanent premises of the IOA were completed. A special IOC commission was created to coordinate the IOA's relations with the IOC, Olympic Solidarity and the Olympic Movement.
  • 1970

    The IOA received its second Bonacosa Award. Its activities increased and Sessions covering all aspects of the Olympic Movement were included in the educational programme.
  • 1981

    The IOA received the Olympic Cup, which was created by Pierre de Coubertin, and awarded every year by the IOC.
  • 1994

    New conference halls, a library and administration building are added to the IOA facilities in Ancient Olympia.
  • 2003

    The IOA becomes an autonomous legal entity of private law.
  • 2007

    (August 26) The largest part of the IOA forest and of the wider region including Kronios Hill was destroyed by a fire.
  • 2009

    The IOA in collaboration with the Department of Sports Organization and Management of the Faculty of Human Movement and Quality of Life Sciences of the University of Peloponnese organizes the international Master’s Degree Programme with the title “Olympic Studies, Olympic Education, Organization and Management of Olympic Events”.
  • 2010

    The IOA participates in the 1st Youth Olympic Games of Singapore (Culture and Educational Programme).
  • 2011

    The IOA celebrates its 50 years of operation.
  • 2012

    The IOA participates in the 1st Winter Youth Olympic Games of Innsbruck (Culture and Educational Programme). IOA’s participation in the Olympic Games of London in the Greek House. The IOA begins its cooperation with the universities Yale and Harvard.
  • 2014

    The IOA participates in the 2nd Youth Olympic Games of Nanjing (Culture and Education Programme).
  • 2015

    The IOA participates in the 1st European Games of Baku.
  • 2016

    The IOA participates in the 2nd Winter Youth Olympic Games of Lillehammer (Learn & Share Programme).
  • 2018

    The IOA participates in the Buenos Aires Youth Olympic Games, in Argentina.