The first general assembly was held in Brussels from 26 to 28 May 1920 where the Belgian historian Henri Pirenne was elected the first president.
Rahvusvahelise Akadeemiate Liidu esimene assamblee toimus 26.–28. mail 1920 Brüsselis, kus UAI esimeseks presidendiks valiti Belgia ajaloolane Henri Pirenne.