The first Super Bowl was played in Los Angeles.
The Green Bay Packers defeated the Kansas City Chiefs 35-10.
Source
Hunga Tonga, a volcano in Tonga, erupted, which triggered tsunami warnings from the US and Chile to Japan and Australia.
Wikipedia was launched.
The World Economic Forum announced that there will be more plastic than fish in our oceans by as early as 2050.
Construction of The Pentagon was completed.
A Chinese Long March rocket launched the Belarussian government's Belintersat-1 satellite into orbit.