Like the Karafuto Koreans and the Nivkh, but unlike the Ainu, the Uilta were thus not included in the evacuation of Japanese nationals after the Soviet invasion in 1945.
Seperti halnya Korea Karafuto dan Nivkh, namun tak seperti Ainu, Uilta tidak masuk dalam evakuasi warga negara Jepang setelah invasi Soviet pada 1945.