Inventor Chester Carlson created the first Xerox image.
He printed “10.-22.-38 ASTORIA” on a glass microscope slide.
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The Royal Observatory in Greenwich, UK, was adopted as the world's Prime Meridian.
Microsoft released the Windows 7 operating system.
In-N-Out Burger opened its first restaurant in Baldwin Park, Los Angeles, US.
Google Play was launched.
NASA announced that 16 researchers would be a part of a nine-month study on unidentified aerial phenomena or UFOs.