The plastic shirt collar was patented in the US by Walter Hunt.
Source
Maximilian II became emperor of the Holy Roman Empire.
The first baby was born after being conceived by in vitro fertilization (IVF).
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.
Wikileaks published classified information about the war in Afghanistan.
