By using MPEG audio coding, MP3s shrink down the original sound data from a CD by a factor of 12, without losing sound quality.
Source: ThoughtCo
Edmund Hillary from New Zealand and Tenzing Norgay from Nepal become first humans to summit Mt. Everest
Mount Everest had long been considered unclimbable by some and the ultimate climbing challenge by others.
The 12-minute-long silent film, The Great Train Robbery becomes the first narrative movie ever
The Great Train Robbery’s popularity led directly to the opening up of permanent movie theaters and the possibility of a future film industry.
Antonio Torres of Spain invents the modern classic guitar
The form of the modern classical guitar is credited to Spanish guitar maker Antonio Torres circa 1850. Torres increased the size of the guitar body, altered its proportions, and invented the “fan” top bracing pattern.
Modern football, or soccer, begins to become officially codified for the first time
The codification of soccer began in the public schools of Britain at the beginning of the 19th century. Within the private school system “football” was a game in which the hands were used during periods of play and grappling allowed, but otherwise, the modern shape of soccer was being formed.
James Watts invents the steam engine
The firm of Boulton and Watt became famous and Watt lived until August 19, 1819, long enough to see his steam engine become the greatest single factor in the upcoming new industrial era.
Robert Hooke discovers cells
Robert Hooke was a 17th century “natural philosopher” — an early scientist — noted for a variety of observations of the natural world.
San Marino officially adopts world’s first constitution
San Marino’s constitution is the world’s oldest, having been first written in the year 1600.
Three city-states combine to form Aztec Triple Alliance, consolidating power in Mesoamerica
That accord formed the basis of what was to become the Aztec Empire that ruled Central Mexico and eventually most of Mesoamerica when the Spanish arrived at the very end of the Postclassic period.
The Goryeo Kingdom unites much of the Korean Peninsula
It wasn’t until 1374, however, that the Koryo kingdom managed to unify almost all of what is now North and South Korea under its rule.