#OTD in 1759.
Denis Diderot's Encyclopédie is proscribed by the Vatican and (on March 8) temporarily suppressed by the French government. The ban is lifted in September to allow publication of a revised version. Prominent intellectuals criticized it, most famously Lefranc de Pompignan at the French Academy.
https://en.wikipedia.org/wiki/Encyclop%C3%A9die
University of Chicago on-line version:
https://encyclopedie.uchicago.edu/node/161
