Since 1997, Prague Papers on the History of International Relations (PPHIR) has been published as a yearbook of the Institute of World History, Faculty of Arts and Philosophy, Charles University, Prague. Since 2006 it started a successful cooperation with the Institute of East European History, Faculty of Historical and Cultural Sciences, University of Vienna, which caused an considerable increase of authors and articles and so that in 2010 it was transformed into the reviewed international research journal, which has came out biannually and in which has been published studies on international relations. In 2009 the journal was included List of reviewed non-impacted journals from the Czech Republic.