Translation of "One of these days" in German

I might be headmaster one of these days.
Dass ich eines Tages Rektor werden konnte.
OpenSubtitles v2018

One of these days I won't have a home anymore.
Eines Tages... werd ich kein Zuhause mehr haben.
OpenSubtitles v2018

One of these days you're going to be just as pretty as MademoiseIIe, maybe more.
Eines Tages bist du mindestens so hübsch wie MademoiseIIe.
OpenSubtitles v2018