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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: Professor Michael Faraday invents the first toy balloon.
- 1824: Englishmen, Joseph Aspdin patents Portland cement, the modern building material.
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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: William Austin Burt patents a typographer, a predecessor to the typewriter.
- 1829: American, W.A. Burt invents a 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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1820 - 1834 (14 years)