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Christopher Columbus
Italian navigator and explorer (1451–1506)
Christopher Columbus was an Italian explorer and navigator from the Republic of Genoa who completed four Spanish transatlantic voyages in the name of the Catholic Monarchs, opening the way for the wid…
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Arrival of a spacecraft on the Moon's surface
Moon landing
A Moon landing or lunar landing is the arrival of a crewed or robotic spacecraft on the Moon. The first human-made objec…
Phenomena related to electric charge
Electricity
Electricity is the set of physical phenomena associated with the presence and motion of matter possessing an electric ch…
Global system of connected computer networks
Internet
The Internet is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to …