| वर्ष | घटना |
|---|
| 1600 | English scientist William Gilbert coined the word electricus after careful experiments. |
| 1705 | English scientist Francis Hauksbee made a glass ball that glowed when spun and rubbed with the hand |
| 1720 | English scientist Stephen Gray discovered insulators and conductors |
| 1745 | German physicist Ewald Georg von Kleist and Dutch scientist Pieter van Musschenbroek invented Leyden jars |
| 1752 | American scientist Benjamin Franklin showed that lightning was electrical by flying a kite, and explained how Leyden jars work |
| 1780 | Italian scientist Luigi Galvani discovered the Galvanic action in living tissue |
| 1783 | French physicist Charles-Augustin de Coulomb formulated Coulomb's law |
| 1785 | French mathematician Pierre-Simon Laplace developed the Laplace transform to transform a linear differential equation to an algebraic equation. Later, his transform became a tool in circuit analysis. |
| 1800 | Italian physicist Alessandro Volta invented the battery |
| 1816 | English inventor Francis Ronalds built the first working electric telegraph |
| 1820 | Danish physicist Hans Christian Ørsted accidentally discovered that an electric field creates a magnetic field |
| 1820 | One week after Ørsted's discovery, French physicist André-Marie Ampère published his law. He also proposed right-hand screw rule |
| 1821 | German scientist Thomas Johann Seebeck discovered thermoelectricity |
| 1825 | English physicist William Sturgeon developed the first electromagnet |
| 1827 | German physicist Georg Ohm introduced the concept of electrical resistance |
| 1831 | English physicist Michael Faraday published the law of induction (Joseph Henry developed the same law independently) |
| 1831 | American scientist Joseph Henry in United States developed a prototype DC motor |
| 1832 | French instrument maker Hippolyte Pixii in France developed a prototype DC generator |
| 1833 | Michael Faraday developed laws of electrolysis |
| 1833 | Michael Faraday invented thermistor |
| 1833 | English Samuel Hunter Christie invented Wheatstone bridge (It is named after Charles Wheatstone who popularized it) |
| 1836 | Irish priest (and later scientist) Nicholas Callan invented transformer in Ireland |
| 1837 | English scientist Edward Davy invented the electric relay |
| 1839 | French scientist Edmond Becquerel discovered the Photovoltaic Effect |
| 1844 | American inventor Samuel Morse developed telegraphy and the Morse code |
| 1845 | German physicist Gustav Kirchhoff developed two laws now known as Kirchoff's Circuit laws |
| 1850 | Belgian engineer Floris Nollet invented (and patented) a practical AC generator |
| 1855 | First utilization of AC (in electrotherapy) by French neurologist Guillaume Duchenne |
| 1856 | Belgian engineer Charles Bourseul proposed telephony |
| 1856 | First electrically powered light house in England |
| 1860 | German scientist Johann Philipp Reis invented Microphone |
| 1862 | Scottish physicist James Clerk Maxwell published four equations bearing his name |
| 1866 | Transatlantic telegraph cable |
| 1873 | Belgian engineer Zenobe Gramme who developed DC generator accidentally discovered that a DC generator also works as a DC motor during an exhibit in Vienna. |
| 1876 | Russian engineer Pavel Yablochkov invented electric carbon arc lamp |
| 1876 | Scottish inventor Alexander Graham Bell invented telephone |
| 1877 | First street lighting in Paris, France |
| 1877 | American inventor Thomas Alva Edison invented phonograph |
| 1877 | German industrialist Werner von Siemens developed primitive loud speaker |
| 1878 | First hydroelectric plant in Cragside, England |
| 1878 | English engineer Joseph Swan invented Incandescent light bulb |
| 1879 | American physicist Edwin Herbert Hall discovered Hall Effect |
| 1879 | Thomas Alva Edison introduced a long lasting filament for the incandescent lamp. |
| 1880 | French physicists Pierre Curie and Jacques Curie discovered Piezoelectricity |
| 1882 | First thermal power stations in London and New York |
| 1883 | English physicist J J Thomson invented waveguides |
| 1887 | German American inventor Emile Berliner invented gramophone record |
| 1888 | German physicist Heinrich Hertz proved that electro magnetic waves travel over some distance. (First indication of radio communication) |
| 1888 | Italian physicist and electrical engineer Galileo Ferraris publishes a paper on the induction motor and Serbian-American engineer Nikola Tesla gets a US patent on the same device[3][4] |
| 1890 | Thomas Alva Edison invented fuse |
| 1893 | During the Fourth International Conference of Electricians in Chicago electrical units were defined |
| 1894 | Russian physicist Alexander Stepanovich Popov developed a prototype of a radio receiver |
| 1896 | First successful intercontinental telegram |
| 1897 | German inventor Karl Ferdinand Braun invented cathode ray oscilloscope (CRO) |
| 1900 | Italian inventor Guglielmo Marconi succeeded in first radio broadcast |
| 1901 | First transatlantic radio broadcast by Guglielmo Marconi |
| 1901 | American engineer Peter Cooper Hewitt invented Fluorescent lamp |
| 1904 | English engineer John Ambrose Fleming invented diode |
| 1906 | American inventor Lee de Forest invented triode |
| 1908 | Scottish engineer Alan Archibald Campbell-Swinton, laid the principles of Television. |
| 1911 | Dutch physicist Heike Kamerlingh Onnes discovered Superconductivity |
| 1912 | American engineer Edwin Howard Armstrong developed Electronic oscillator |
| 1915 | French phyisicist Paul Langevin and Russian engineer Constantin Chilowsky invented sonar |
| 1917 | American engineer Alexander M. Nicholson invented crystal oscillator |
| 1918 | French physicist Henri Abraham and Eugene Bloch invented multivibrator |
| 1919 | Edwin Howard Armstrong developed standard AM radio receiver |
| 1921 | Metre Convention was extended to include the electrical units |
| 1925 | Austrian American engineer Julius Edgar Lilienfeld patented the first FET (which became popular much later) |
| 1926 | Yagi-Uda antenna was developed by the Japanese engineers Hidetsugu Yagi and Shintaro Uda |
| 1927 | American engineer Harold Stephen Black invented negative feedback amplifier |
| 1927 | German Physicist Max Dieckmann invented Video camera tube |
| 1928 | First experimental Television broadcast in the US. |
| 1929 | First public TV broadcast in Germany |
| 1931 | First wind energy plant in the Soviet Union |
| 1936 | Dudley E. Foster and Stuart William Seeley developed FM detector circuit. |
| 1936 | Austrian engineer Paul Eisler invented Printed circuit board |
| 1936 | Scottish Scientist Robert Watson-Watt developed the Radar concept which was proposed earlier. |
| 1938 | Russian American engineer Vladimir K. Zworykin developed Iconoscope |
| 1939 | Edwin Howard Armstrong developed FM radio receiver |
| 1939 | Russell and Sigurd Varian developed the first Klystron tube in the US. |
| 1941 | German engineer Konrad Zuse developed the first programmable computer in Berlin |
| 1944 | Scottish Engineer John Logie Baird developed the first color picture tube |
| 1945 | Transatlantic telephone cable |
| 1947 | American engineers John Bardeen and Walter Houser Brattain together with their group leader William Shockley invented transistor. |
| 1948 | Hungarian-British physicist Dennis Gabor invented Holography |
| 1950 | French physicist Alfred Kastler invented MASER |
| 1951 | First nuclear power plant in the US |
| 1953 | First fully transistorized computer in the US |
| 1958 | American engineer Jack Kilby invented the integrated circuit (IC) |
| 1960 | American engineer Theodore Harold Maiman invented the LASER |
| 1962 | Nick Holonyak Jr. invented the LED |
| 1963 | First home Videocassette recorder (VCR) |
| 1963 | Electronic calculator |
| 2008 | American scientist Richard Stanley Williams invented memristor which was proposed by Leon O. Chua in 1971 |