Microsoft released the Windows 7 operating system.
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The world's first recorded parachute jump occurred from 3,300 feet (1,000 m) above Paris.
NASA announced that 16 researchers would be a part of a nine-month study on unidentified aerial phenomena or UFOs.
Paul McCartney publicly declared he's not dead.
The Walt Disney World Resort in Florida received its 100-millionth visitor.
The US gross national debt exceeded $1 trillion.
