On 19 July 2023, Gábor Demeter will give a lecture in Sofia on the occasion of the 120th anniversary of the 1903 Illés Day Uprising, entitled Аustrian plans on the pacification of the Balkans before and after the Mürzsteg Convention, at the invitation of the Sveti Kliment Ohridsk University, the Bulgarian Academy of Sciences and the Macedonian Institute.