For the first time in history, all 50 states of America celebrated Martin Luther King Jr. National Holiday.
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An incredibly cold air swept into the US from Canada and plunged temperatures across most States far below their existing all-time lows.
NASA successfully launched the experimental CTS Hermes satellite atop a Delta 2914 rocket.
French King Henry IV declared war against Spain during the French Wars of Religion.
The underwater search for missing Malaysia Airlines flight MH370 ended.
Auschwitz concentration camp evacuated 56,000 prisoners.
