1958
The first communications satellite. The United States launched SCORE, the world's first communications satellite.
Wikipedia: SCORE (satellite)Photo: U.S. Air Force / Wikimedia Commons (Public domain)
On this day
18 December in history.
5 moments from 1898 to 1999: discovery, creativity and courage, each with a source to read more.
5 moments
More from 18 December
1898
The first land speed record
Gaston de Chasseloup-Laubat set the first officially recognised land speed record, about 63 km/h, in an electric car.
Wikipedia: List of land speed recordsWikipedia: Gaston de Chasseloup-Laubat
Photo: Scanné par Claude_villetaneuse / Wikimedia Commons (Public domain)
1932
The first NFL playoff game
The Chicago Bears beat the Portsmouth Spartans in the first NFL playoff game, played indoors at Chicago Stadium.
Wikipedia: 1932 NFL Playoff Game
Photo: Unknown author / Wikimedia Commons (Public domain)
1966
A new moon of Saturn is found
Astronomer Richard Walker discovered Epimetheus, one of Saturn's moons. It took twelve years to show it was a separate moon from Janus.
Photo: NASA/JPL/Space Science Institute / Wikimedia Commons (Public domain)
1999
Terra starts watching Earth
NASA launched Terra, a satellite carrying five instruments to study Earth's land, oceans and atmosphere.
Photo: NASA / Wikimedia Commons (Public domain)
Moments chosen for discovery, creativity and courage. Each one links to a source where you can read more; photos are credited to their owners.