A fire on Christmas Eve 1851 destroyed two-thirds of the …

History19th centuryUnited Stateshigh confidence

A fire on Christmas Eve 1851 destroyed two-thirds of the Library of Congress's collection.

Notes on verification

Corroborated by multiple independent, authoritative sources including the Library of Congress's own website, HISTORY.com, Wikipedia, and Britannica Kids.

Sources

Library of Congress | Definition, History, & Facts | Britannica (britannica.com)
https://loc.gov/exhibits/jefferson/jefflib.html (loc.gov)
https://www.history.com/this-day-in-history/december-24/fire-ravages-library-of-congress (history.com)

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