On 23rd of September 2021 Prof. Rupert Klieber (University of Vienna) held a lecture of entitled 'The Second Vatican Council 1962-1965. Misjugded by supporters and opponents?' at Péter Pázmány Catholic University in Budapest. Mentioned lecture is available here.
After Roberto Regoli and Silvano Giordano's presentations this lecture was the third international event which was organized by Vilmos Fraknói Vatican Historical Research Group for students at Péter Pázmány Cathollic University. Available here and here.
Apart of mentioned event the day before Rupert Klieber participated Bischofslexikon's book presentation at Central Seminary in Budapest.