Uber became a public company, opening on the New York Stock Exchange.
US Geological Survey issued a statement revealing that 39 Montana glaciers have reduced in size from 39 to 85 percent in the last 50 years.
Apple became the first company to achieve worth more than $800 billion.
An assassination attempt was made on President George W. Bush.
The disaster movie 'Twister' by Michael Crichton premiered.
Nelson Mandela was sworn in as South Africa's first black president.
Jeffrey Dahmer got baptized while in prison at Columbia Correctional Institution in Wisconsin.
The USSR attempted to launch an uncrewed spacecraft to Mars.
An atomic submarine circumnavigated the globe.
Mother's Day was officially celebrated for the first time in Grafton, West Virginia.
The first telephone was installed in the telegraph room in the White House, thanks to President Rutherford B. Hayes.
The Golden Spike was driven.
The parliament of Great Britain passed the Tea Act, a piece of legislation that ultimately led to the Boston Tea Party.
Christopher Columbus spotted the Cayman Islands.