Two of the most massive magnetic solar storms known are the Carrington Event of 1859 and the New York Railroad Superstorm of 1921, the study ‘The Extreme Space Weather Event of 1872 February: Sunspots, Magnetic Disturbance, and Auroral Displays‘, however, also identified another storm named the Chapman-Silverman storm of 1872.

In 1872, a Solar Storm Hit the Earth Generating Auroras from the Tropics to the Poles

List of solar storms