This post a basic timeline of electromagnetism. There are 34 events listed below chronologically. Source: Wikipedia
- 1600: William Gilbert proposes that the world is a magnet
- 1663: Otto von Guericke invents the electrostatic generator
- 1745-1746: Ewald Georg von Kleist and Pieter van Musschenbroek invent the Leyden Jar
- 1747: Benjamin Franklin proposes positive and negative charge
- 1771: Henry Cavendish proposes electric potential
- 1780: Luigi Galvani performs electrical experiments on dead frogs
- 1785: Charles-Augustin de Coulomb discovers Coulomb's law
- 1799: Alessandro Volta invents the electric battery
- 1802: Humphry Davy invents incandescent light
- 1809: Humphry Davy performs public demonstrations of arc light
- 1820: Hans Oersted discovers Oersted's law
- 1820: Johann Schweigger invents the galvanometer
- 1821: Michael Faraday constructs a rotary motor
- 1825: William Sturgeon invents the electromagnet
- 1825: Andre-Marie Ampere discovers Ampere's law
- 1827: George Ohm discovers Ohm's law
- 1828: Joseph Henry improves on the electromagnet and invents the telegraph
- 1831: Michael Faraday discovers electromagnetic induction
- 1832: Hippolyte Pixii invents the alternating current motor
- 1861-1862: James Clerk Maxwell publishes Maxwell's equations
- 1875: William Crookes invents the Crookes tube
- 1876: Alexander Graham Bell invents the electric telephone
- 1876: Thomas Edison establishes Menlo Park research lab
- 1884: Oliver Heaviside reformulates Maxwell's equations
- 1886-1889: Heinrich Hertz performs experiments on electromagnetic waves
- 1888: Nikola Tesla invents an improved alternating current motor
- 1895: Guglielmo Marconi invents long range radio telegraph
- 1895: Wilhelm Rontgen discovers x-rays
- 1897: J.J. Thompson discovers the electron
- 1900: Reginald Fessenden invents AM radio
- 1905: Albert Einstein discovers the photoelectric effect
- 1911: Heike Kamerlingh Onnes discovers superconductivity
- 1931: Edwin Howard Armstrong invents FM radio
- 1947: William Shockley, John Bardeen and Walter Brattain invent the working transistor
