The plastic shirt collar was patented in the US by Walter Hunt.
Source
Metallica released their album 'Kill 'Em All.'
Lance Armstrong won Tour de France for the 7th consecutive run.
Wikileaks published classified information about the war in Afghanistan.
Verizon bought Yahoo for $4.8 billion in cash.
An asteroid, dubbed 'City Killer,' came closer to Earth than the moon and was almost undetected.
