1820 in archaeology

	… 1810; 1811; 1812; 1813; 1814; 1815; 1816; ; 1817; 1818; 1819; 1820; 1821; 1822; 1823; ; 1824; 1825; 1826; 1827; 1828; 1829; 1830 …;
	In science 1817 1818 1819 1820 1821 1822 1823
	Art; Archaeology; Architecture; Literature; Music; Philosophy; Science; +...

The year 1820 in archaeology involved some significant events.