What specific major solar event in 1859 demonstrated the hazard of induced currents by causing widespread failure in which technology?

Answer

The Carrington Event, causing telegraph systems to fail and sometimes catch fire

The Carrington Event, which occurred in 1859, serves as the historical benchmark for severe space weather impacts on technology. At that time, the primary long-distance electrical technology was the telegraph system. The strong geomagnetic fluctuations associated with that event induced powerful currents (GICs) in the telegraph wires worldwide. This phenomenon was so severe that it caused the equipment to fail, and in some documented instances, actually catch fire due to the magnitude of the induced electrical surges.

What specific major solar event in 1859 demonstrated the hazard of induced currents by causing widespread failure in which technology?
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