What is the oldest written source in this country that mentions this right?

Croatia

Article 34 of the 1991 constitution protects the home. Article 35 protects personal and familial life, as well as dignity. Article 36 protects correspondence (Constitute Project, “Croatia 1991 rev. 2013”).

https://constituteproject.org/constitution/Croatia_2013?lang=en

Privacy Rights · Country sources (all rights) · Years mentioned: 1991, 2013 · Last edited 2022-12-28 · Edit on GitHub