Henry IV took to the throne as he was crowned the King of France.
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The Reichstag, Germany's parliament building, was set on fire by a Dutch communist.
The British Labour Party was founded.
Ebony and Ivory was recorded by Stevie Wonder & Paul McCartney.
In Sweden, a job interview invitation was accidentally mailed to 61,000 people and caused chaos in their offices.
Scientists observed the biggest explosion in the universe, 390 million light-years away.