1820 in science

List of years in science (table)
... 1810 1811 1812 1813 1814 1815 1816 ... 1817 1818 1819 1820 1821 1822 1823 ... 1824 1825 1826 1827 1828 1829 1830 ...
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The year 1820 in science and technology involved some significant events, listed below.

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Wikipedia