News The end of the Great war in the Balkans, 1918-1923 11. Sep 2018. The Institute for Balkans studies, of the Serbian academy for Sciences and Arts, is organizing and international symposium titled "The end of the Great war in the Balkans, 1918-1923". The event shall take place in Belgrade, Novi Sad and Niš, starting on the 12th and concluding on the 14th of September. You can find the complete programme for the event here.