Back in the 1800’s, most people and telegraph operators were used to their telegraph lines going down due to thunderstorms and other electromagnetic disturbances, but on one instance, it seemed like the world was ending.

In 1859, one of the largest solar flares was seen and caused one of the wildest geomagnetic storms in history, wiping out communications all over the world and causing accidents and widespread panic, as well as weird weather.

As terrifying as that was in the 1850’s, an event of that magnitude would probably be apocalyptic.