Born February 11, 1847 Milan, OH
Died October 18, 1931 West Orange, NJ
1859-1862 Works as a newsboy and candy butcher on the trains of the Grand Trunk Railroad
1863-1867 Works as an operator in telegraph offices in various Midwest cities and conducts experiments with telegraph apparatus.
1868 Works as an operator at the Western Union Telegraph Company's main office in Boston and receives support from local entrepreneurs for his electrical inventions.
1869 (Boston) Edison earned his first patent, for an electrical vote recorder designed for the Massachusetts State Legislature
1870 Establishes two telegraph manufacturing shops in Newark, New Jersey, and works on inventions for printing and automatic telegraphy.
1871 Marries Mary Stilwell.
1873 Edison's first daughter, Marion Estelle ("Dot"), is born in Newark.
1874 April 10 Discovers the electromotograph principle.
1875 June30 Conceives electric pen and autographic press copying system.
1876 Jan 10 Edison's first son, Thomas Alva, Jr. ("Dash"), is born in Newark.
1876 March Has the Menlo Park laboratory constructed under the supervision of his father, Samuel.
1877 Dec. Demonstrates his cylinder phonograph at Scientific American office in New York.
1878 Oct. 26 Edison's second son, William Leslie, is born in Menlo Park.
1878 Nov. 15 The Edison Electric Light Company is incorporated.
1879 Jan. 2 Begins construction of his first generator.
1880 Oct. 1 Begins the commercial production of electric lamps at the Edison Lamp Works in Menlo Park.
1882 Nov. Closes his Menlo Park laboratory and establishes a laboratory on the top floor of the Bergmann and Company factory in New York City.
1884 Aug. 9 Mary Stilwell Edison dies at Menlo Park.
1886 Feb. 24 Marries Mina Miller at Akron, Ohio.
1887 Purchases fourteen acres of land in West Orange, New Jersey, near his home in Llewellyn Park; plans to construct a new laboratory.
1881 May 31 Edison's second daughter, Madeleine, is born.