In April 1918, the Rome Congress of Oppressed Nationalities met, including Czechoslovak, Italian, Polish, Transylvanian, and Yugoslav representatives who urged the Allies to support national self-determination for the peoples residing within Austria-Hungary.
Pada bulan April 1918, Kongres Bangsa Terindas Roma mengadakan pertemuan, termasuk perwakilan bangsa Cekoslovak, Italia, Polandia, Transylvania, dan Yugoslav yang meminta Sekutu mendukung penentuan nasib sendiri nasional untuk orang-orang yang tinggal di dalam Austria-Hongaria.