Freedom of the Press/History/Country sources/Belarus

Freedom of the Press

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

Belarus

Article 33 of Belarus’s 1994 Constitution bans censorship and mass media monopolies, whether state mass media monopolies or otherwise

References:

https://heinonline-org.proxygw.wrlc.org/HOL/Page?collection=cow&handle=hein.cow/zzby0006&id=4&men_tab=srchresults

https://constitutionnet.org/sites/default/files/Belarus%20Constitution.pdf

https://www.venice.coe.int/webforms/documents/?pdf=CDL(2003)065-e