Hunga Tonga, a volcano in Tonga, erupted, which triggered tsunami warnings from the US and Chile to Japan and Australia.
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Wikipedia was launched.
Emperor Otho began his three-month reign after overthrowing the previous emperor.
The World Economic Forum announced that there will be more plastic than fish in our oceans by as early as 2050.
The first Super Bowl was played in Los Angeles.
US Airways Flight 1549 landed on the Hudson River, NYC.