Bastille Day

In 1789, on the 14th of July, the French people stormed the Bastille fortress in Paris. This was the flashpoint of the French revolution and is celebrated today. In 2000, on the 14th of July, a powerful solar flare caused a geomagnetic storm on Earth. This solar flare was nicknamed the Bastille Day Event.
See Also: http://en.wikipedia.org/wiki/July_14

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