Origins The Library was founded in 1800, making it the oldest federal cultural institution in the nation. On August 24, 1814, British troops burned the Capitol building (where the Library was housed) and destroyed the Library's core collection of 3,000 volumes. On January 30, 1815, Congress approved the purchase of Thomas Jefferson’s personal library of 6,487 books for $23,950. Statistics The Library of Congress is the largest library in the world with millions of items a variety of formats. View detailed collection statistics. The Collections Each working day the Library receives some 15,000 items and adds more than 10,000 items to its collections. Materials are acquired as Copyright deposits and through gift, purchase, other government agencies (state, local and federal), Cataloging in Publication (a pre-publication arrangement with publishers) and exchange with libraries in the United States and abroad. Items not selected for the collections or other internal purposes are used in th...