there's prior art for a government gazette (the federal register or whatever equivalent in your own country): https://en.wikipedia.org/wiki/Government_gazette

there's prior art for a government gazette (the federal register or whatever equivalent in your own country): https://en.wikipedia.org/wiki/Government_gazette https://en.wikipedia.org/wiki/Government_gazette going back even further in time you had the town crier: https://en.wikipedia.org/wiki/Town_crier https://en.wikipedia.org/wiki/Town_crier