The first Duke of Wellington became Commander in Chief, making him the professional head of the British Army.
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French King Henry IV declared war against Spain during the French Wars of Religion.
Popeye the Sailor Man made his first appearance.
Bohemia adopted the Gregorian Calendar.
Auschwitz concentration camp evacuated 56,000 prisoners.
For the first time in history, all 50 states of America celebrated Martin Luther King Jr. National Holiday.
