This volume contains dedicated chronologies for all the major organizations, such as the UN, the Arab League, NATO, OPEC, the African Union, OAS, WTO, ASEAN and the IMF, whilst an introductory chronology covers the general development of international organizations. As the role of international organizations attains greater global significance, this source detailing how, when and why they developed, is vital both to the study of twentieth century history and to an understanding of the world today.