| 1858 | The modern study of Paleontology began with the finding of the first complete dinosaur skeleton in Haddonfield. It was later named Hadrosaurus foulkii. |  |
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| 1861 | The Civil War was fought from 1861-1865; around 88,000 soldiers were citizens of New Jersey. |
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| 1869 | The first intercollegiate football game was played in New Brunswick.
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| 1876 | Thomas Edison opens his lab in Menlo Park. |
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| 1877 | Thomas Edison invents the phonograph on December 6; the first recorded song was Mary Had a Little Lamb. |
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| 1879 | Thomas Edison invents the electric light (incandescent light) on October 21. |
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| 1882 | The first pier built over the water is built in Atlantic City; and it is still the longest in the world. |
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| 1883 | Roselle becomes the first US town to be lighted by electricity. |
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| 1887 | Edison moves his lab to West Orange. |
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| 1927 | The Holland Tunnel opens. |
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| 1933 | The first drive-in theater opens in Camden. |
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