What is the oldest written source in this country that mentions this right?
Saint Vincent and the Grenadines
Adopted in 1979, the Constitution of St. Vincent and the Grenadines is the first document in the country’s history to protect freedom of expression. This right is specifically mentioned in Article 1(b).
“Saint Vincent and the Grenadines 1979.” Constitute. Accessed July 11, 2023. https://www.constituteproject.org/constitution/St_Vincent_and_the_Grenadines_1979