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.
Reference: A&E Biography
In 1803 the US bought the Louisiana Territory from France for about $15 million. The deal roughly doubled the size of the country.
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.
The Magna Carta, sealed by King John of England in 1215, established the idea that even the king had to obey the law.