Henry IV took to the throne as he was crowned the King of France.
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Two scientists from the University of California Radiation Laboratory discovered carbon-14, a new isotope of carbon.
The British Labour Party was founded.
The Italian government asked for advice on how to stop the Leaning Tower of Pisa from leaning too far and collapsing.
The world's smallest baby was finally released from the hospital months after being born.
The first Dutch abortion clinic began to perform artificially-induced abortions.
