science · 28 August 1859 · 165 years ago
September 2 – The solar storm of 1859, the largest geomagnetic solar storm on record, causes the Northern lights aurora to be visible as far south as Cuba and knocks out telegraph communication. This is also called the Carrington event, Richard Carrington being the first known person to observe solar flares, due to this storm. It is also the first major solar radiation storm to be recorded.
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