Beethoven Symphony No. 8 premiered in Vienna, Austria.
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In Sweden, a job interview invitation was accidentally mailed to 61,000 people and caused chaos in their offices.
The Italian government asked for advice on how to stop the Leaning Tower of Pisa from leaning too far and collapsing.
The first Dutch abortion clinic began to perform artificially-induced abortions.
The Reichstag, Germany's parliament building, was set on fire by a Dutch communist.
Scientists observed the biggest explosion in the universe, 390 million light-years away.
