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Date |
Event(s) |
| 1 | 1820 | - 1820: George IV. Ruler of England 1820-1830. House of Hanover: Eldest son of George III, Prince Regent, from Feb 1811.
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| 2 | 1823 | - 1823: Mackintosh (raincoat) invented by Charles Mackintosh of Scotland.
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| 3 | 1824 | - 1824: Englishmen, Joseph Aspdin patents Portland cement, the modern building material.
- 1824: Professor Michael Faraday invents the first toy balloon.
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| 4 | 1825 | - 1825: John Quincy Adams president of the USA 1825-1829.
- 1825: William Sturgeon invented the electromagnet.
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| 5 | 1827 | - 1827: Charles Wheatstone invents the microphone.
- 1827: John Walker invents the modern matches.
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| 6 | 1829 | - 1829: American, W.A. Burt invents a typewriter.
- 1829: William Austin Burt patents a typographer, a predecessor to the typewriter.
- 1829: Frenchmen, Louis Braille invents braille printing.
- 1829: Andrew Jackson president of the USA 1829-1837.
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| 7 | 1830 | - 1830: Frenchmen, B. Thimonnier invents a sewing machine.
- 1830: William IV. Ruler of England 1830-1837. House of Hanover: 3rd son of George III, married Adelaide of Saxe-Meiningen.
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| 8 | 1831 | - 1831: American, Cyrus H. McCormick invents the first commercially successful reaper.
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| 9 | 1832 | - 1832: Texas Revolutionary War: Texas vs Mexico 1832-1836.
- 1832: Englishmen, Louis Braille invents the stereoscope.
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| 10 | 1834 | - 1834: Jacob Perkins invents an early refrigerator (really an ether ice machine).
- 1834: Henry Blair patents a corn planter, he is the second black person to receive a U.S. patent.
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| 11 | 1835 | - 1835: Englishmen, Henry F. Talbot invents Calotype photography.
- 1835: Solymon Merrick patents the wrench.
- 1835: Charles Babbage invents a mechanical calculator.
- 1835: Englishmen, Francis Pettit Smith invents the propeller.
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| 12 | 1836 | - 1836: Samuel Colt invented the first revolver.
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| 13 | 1837 | - 1837: Samuel Morse invents the telegraph.
- 1837: English schoolmaster, Rowland Hill invents the postage stamp.
- 1837: Victoria. Ruler of England 1837-1901. House of Hanover: Daughter of Edward, 4th son of George III; married (1840) Prince Albert of Saxe-Coburg and Gotha, who became Prince Consort.
- 1837: Martin van Buren president of the USA 1837-1841.
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| 14 | 1838 | - 1838: Samual Morse invents Morse Code.
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| 15 | 1839 | - 1839: American, Charles Goodyear invents rubber vulcanization.
- 1839: American, Thaddeus Fairbanks invents platform scales.
- 1839: Welshmen, Sir William Robert Grove conceives of the first hydrogen fuel cell.
- 1839: Kirkpatrick Macmillan invents a bicycle.
- 1839: Frenchmen, Louis Daguerre and J.N. Niepce co-invent Daguerreotype photography.
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| 16 | 1840 | - 1840: Englishmen, John Herschel invents the blueprint.
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| 17 | 1841 | - 1841: John Tyler president of the USA 1841-1845. John Tyler the first vice president to succeed to the presidency due to death of a president.
- 1841: William H. Harrison president of the USA. William Henry Harrison succumbed to pneumonia 1841.
- 1841: Samuel Slocum patents the stapler.
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| 18 | 1842 | - 1842: Joseph Dart builds the first grain elevator.
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| 19 | 1843 | - 1843: Alexander Bain of Scotland, invents the facsimile.
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| 20 | 1844 | - 1844: Englishmen, John Mercer invents mercerized cotton.
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| 21 | 1845 | - 1845: James Polk president of the USA 1845-1849.
- 1845: American, Elias Howe invents a sewing machine.
- 1845: Robert William Thomson patents the first vulcanised rubber pneumatic tire.
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| 22 | 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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| 23 | 1847 | - 1847: Hungarian, Ignaz Semmelweis invents antisceptics.
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| 24 | 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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| 25 | 1850 | - 1850: Joel Houghton was granted the first dishwasher patent.
- 1850: Millard Fillmore president of the USA 1850-1853. Millard Fillmore, vice president under Zachary Taylor, sworn in as president after Taylor's death.
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| 26 | 1851 | - 1851: Isaac Singer invents a sewing machine.
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| 27 | 1853 | - 1853: Franklin Pierce president of the USA 1853-1857.
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| 28 | 1854 | - 1854: John Tyndall demonstrates the principles of fiber optics.
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| 29 | 1855 | - 1855: Isaac Singer patents the sewing machine motor.
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| 30 | 1856 | - 1856: Louis Pasteur invents pasteurisation.
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| 31 | 1857 | - 1857: George Pullman invents the Pullman Sleeping Car for train travel.
- 1857: James Buchanan president of the USA 1857-1861.
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