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Date |
Event(s) |
| 1 | 1846 | - 1846: Mexican-American War 1846-1848.
- 1846: Dr. William Morton, a Massachusetts dentist, is the first to use anesthesia for tooth extraction.
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| 2 | 1847 | - 1847: Hungarian, Ignaz Semmelweis invents antisceptics.
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| 3 | 1849 | - 1849: Zachary Taylor president of the USA 1849-1850. Zachary Taylor died while in office.
- 1849: Walter Hunt invents the safety pin.
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| 4 | 1850 | - 1850: Millard Fillmore president of the USA 1850-1853. Millard Fillmore, vice president under Zachary Taylor, sworn in as president after Taylor's death.
- 1850: Joel Houghton was granted the first dishwasher patent.
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| 5 | 1851 | - 1851: Isaac Singer invents a sewing machine.
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| 6 | 1853 | - 1853: Franklin Pierce president of the USA 1853-1857.
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| 7 | 1854 | - 1854: John Tyndall demonstrates the principles of fiber optics.
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1846 - 1854 (7 years)