#OnThisDay in 1803, the U.S. sealed a deal that doubled its size: the Louisiana Purchase. For $15 million, about 4 cents an acre, the U.S. acquired 828,000 square miles from France, reshaping the nation's future. pic.twitter.com/suKOrtLAyq

— U.S. National Archives (@USNatArchives) April 30, 2025