Dr. sc. Danijel Vojak sudjelovao je na seminaru “Learning from the Past – Acting for the Future. Teaching about the Holocaust and Human Rights” koji se održao u bugarskom gradu Blagoevgradu od 9. do 13. srpnja 2023. Organizatori seminara bili su The Olga Lengyel Institute, the American University in Bulgaria, Shalom Organization i Central Israelite Religious Council of Bulgaria. Dr. sc. Vojak izlagao je 12. srpnja 2023. na temu “Roma genocide in the Southeast Europe during Second World War”
– Program: Learning from the Past – Acting for the Future, Blagoevgrad, Bulgaria, July 9-13, 2023