The Italian government asked for advice on how to stop the Leaning Tower of Pisa from leaning too far and collapsing.
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The Reichstag, Germany's parliament building, was set on fire by a Dutch communist.
Two scientists from the University of California Radiation Laboratory discovered carbon-14, a new isotope of carbon.
Beethoven Symphony No. 8 premiered in Vienna, Austria.
Ebony and Ivory was recorded by Stevie Wonder & Paul McCartney.
Singer and actress Barbra Streisand announced she had her pet dog cloned twice.
