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. (December 2009)
This article presents lists of the literary events and publications in 1766.
- Early – The young Fanny Burney pays the visit of many visits to the house of Samuel Crisp, a frustrated author and friend of her father living in retirement at Chessington Hall, England.
- May 30 – Opening of Theatre Royal, Bristol, England. Also this year in England, the surviving Georgian Theatre (Stockton-on-Tees) opens as a playhouse.
- July 1 – François-Jean de la Barre, a young French nobleman, is tortured and beheaded before his body is burnt on a pyre along with a copy of Voltaire's Dictionnaire philosophique nailed to his torso for the crime of not saluting a Roman Catholic religious procession in Abbeville and for other sacrileges including desecrating a crucifix.
- December 2 – Law on the Freedom of Printing abolishes censorship in Sweden and guarantees freedom of the press.
- The Drottningholm Palace Theatre is reopened as an opera house in Stockholm, Sweden, in its surviving form, designed by Carl Fredrik Adelcrantz.
- Heinrich Wilhelm von Gerstenberg begins publication of his Briefe über Merkwürdigkeiten der Litteratur in which he formulates the literary principles of Sturm und Drang.