Mother Teresa was declared a saint by Pope Francis during a ceremony at the Vatican.
Source
YouTube was fined $170 million for collecting data on child users.
The first power plant in the US, 'Pearl Street Station,' in Manhattan, New York, started generating electricity.
Beatrix Potter wrote her first story of Peter Rabbit in the form of a letter for Noel Moore.
A 400-year-old shipwreck was discovered just 15 miles off the coast of Portugal.
Google was founded.
