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The Library of Congress was established

On this day · 24 April 1800
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A modest $5,000 book budget, tucked into a bill about moving the capital, seeded the largest library on Earth.

Verified · GovInfo (U.S. Government Publishing Office) — Anniversary of the Establishment of the Library of Congress

On April 24, 1800, President John Adams signed an act of Congress that created the Library of Congress. The library was almost an afterthought: its founding clause was folded into legislation transferring the seat of government from Philadelphia to the new capital at Washington.

The act set aside just $5,000 for “such books as may be necessary for the use of Congress” and a room to keep them. The first order — roughly 740 books and three maps, shipped from London — was housed in the Capitol.

Much of that original collection burned when British troops torched the Capitol in 1814.

To rebuild, Congress bought Thomas Jefferson’s personal library of 6,487 volumes. From those slim beginnings grew the oldest federal cultural institution in the United States and, today, the largest library in the world, measured in tens of millions of items.

$5,000
Founding book budget
740
Books in the first order
1800
Year established

Sources & references

2 references

Well-established. Corroborated by 2 independent sources.

1 GovInfo (U.S. Government Publishing Office) — Anniversary of the Establishment of the Library of Congress government agency “On this day in 1800, the Library of Congress was established by an act of Congress when President John Adams signed a bill providing for the transfer of the seat of government from Philadelphia to the new capital city of Washington. The legislation described a reference library for Congress only, containing 'such books as may be necessary for the use of Congress.'” govinfo.gov ↗
2 HISTORY media “On April 24, 1800, President John Adams signs an act of Congress which appropriated $5,000 'for the purchase of such books as may be necessary for the use of Congress.' The first books, ordered from London, arrived in 1801 and were stored in the U.S. Capitol.” history.com ↗
✓ Last reviewed Jun 7, 2026

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