0h 43min, jan 1, 1820 y - Hans Christian Ørsted accidentally discovers that electric field creates a magnetic field. André-Marie Ampère publishes his own law furthering Ørsted'S research on electromagnetism and electricity.

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Those discoveries will play a major role in electrodynamic field and electromagnetism. Their research helped us to understand what is electromagnetism, and how in future can we apply it.

Robinson, Frank Neville H., et al. “Electromagnetism.” Encyclopædia Britannica, Encyclopædia Britannica, Inc., 26 July 2018, www.britannica.com/science/electromagnetism.

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