Wikipedia was launched.
The website’s name comes from the Hawaiian word “wiki,” which means “quick.”
Source
US Airways Flight 1549 landed on the Hudson River, NYC.
Space Mountain at Magic Kingdom opened at Walt Disney World Resort, Florida.
The first Super Bowl was played in Los Angeles.
Hunga Tonga, a volcano in Tonga, erupted, which triggered tsunami warnings from the US and Chile to Japan and Australia.
Inventor Elisha Otis acquired a patent for a steam engine for elevators.