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Year |
Event(s) |
1 | 1819 | - René Laënnec invents the stethoscope.
- Samuel Fahnestock patents a "soda fountain."
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2 | 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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3 | 1823 | - Mackintosh (raincoat) invented by Charles Mackintosh of Scotland.
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4 | 1824 | - Englishmen, Joseph Aspdin patents Portland cement, the modern building material.
- Professor Michael Faraday invents the first toy balloon.
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5 | 1825 | - John Quincy Adams president of the USA 1825-1829.
- This year marks the start of construction on the Ohio and Erie Canal.
- William Sturgeon invented the electromagnet.
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6 | 1827 | - Charles Wheatstone invents the microphone.
- John Walker invents the modern matches.
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