Imprisonment at Vincennes
Diderot is confined at Vincennes because of his controversial philosophical writings.
Permanent historical records · Updated 2026-11-03
1749 in France
Explore 5 historical events and records for France in 1749.
Historical records for France in 1749
Sorted by month and day. Records with no month are shown last. Showing 5 of 5 unique records.
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July
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Buffon Publishes Natural History Volumes
Georges Louis Leclerc de Buffon began publishing his major natural history, reflecting the scientific culture of the Academy.
Capture of River Ohio
French troops capture the Ohio River Valley & claim it for Louis XV
Letter on the Blind
Diderot publishes Letter on the Blind and is imprisoned for its materialist implications.
Treatise on Systems
Condillac publishes Treatise on Systems, criticising abstract metaphysical systems.
How these records were prepared
Generated from the World History Database historical_events table. Identical display records are collapsed; descriptions otherwise retain the stored text. Coverage and source quality vary. Check primary and specialist sources before citing individual historical claims.