Roquefort was the first cheese to get legal protection, meaning it could only be made in one area of France, and it happened hundreds of years ago!
Sources
Commission, European, "eAmbrosia: The European Geographical Indications Register" https://ec.europa.eu/info/food-farmin....
Donnelly, Catherine, ed. The Oxford Companion to Cheese. Oxford: Oxford University Press, 2016.
Gangjee, Dev. Relocating the Law of Geographical Indications. Cambridge: Cambridge University Press, 2012.
Kindstedt, Paul. Cheese and Culture: A History of Cheese and Its Place in Western Civilisation. White River Junction, VT: Chelsea Green Publishing, 2012.
Zappalaglio, Andrea. The Transformation of EU Geographical Indications Law. New York: Taylor & Francis, 2021.
Images
Coronation of Charles VI of France by Jean Fouquet (between 1455-1460) (public domain)
Roquefort (public domain)