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

Yemen

Yemen’s 1991 Constitution contains no explicit protections for press freedom but includes the “expression of opinion in speech, writing and photography” under its protections on freedom of expression (Constitute Project, “Yemen's Constitution of 1991 with Amendments through 2001”).

Freedom of the Press · Country sources (all rights) · Years mentioned: 1991, 2001 · Last edited 2022-12-28 · Edit on GitHub