How did the Louisiana Purchase change the size of the US?
In 1803 the US bought the Louisiana Territory from France for about $15 million. The deal roughly doubled the size of the country.
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- Does the Library of Congress own a Gutenberg Bible?
“The Library of Congress owns one of only three perfect surviving copies of the Gutenberg Bible printed on vellum, a type of animal skin parchment.”
Reference: Library of Congress
More united states facts.
More united states facts
Who invented the printing press in Europe?
Johannes Gutenberg developed a movable-type printing press in Mainz, Germany, around 1440, which made it possible to mass-produce books for the first time in Europe.
Microwaves in U.S. households
In 1978, only eight percent of U.S. households had microwave ovens. As of 2006 over 80 percent have them.