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Comet C/2006 P1 (McNaught), one of the brightest comets ever observed is at its zenith visible during the day.
Karađorđe leads the First Serbian Uprising against the Ottoman Empire.
The U.S. Weather Bureau publish a paper which stated the width of a tornado which struck the city of Timber Lake, South Dakota was 4 miles (6.4 km), which would make this the widest tornado ever documented in history.
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