 | Kingdom of Denmark |  |
Elections to the I. Folketing of the Danish Rigsdag
12 October, 1866
Registered voters: 0.3 million. Turnout: 32.5 %
| Σ | ± | |||
|---|---|---|---|---|
 | People’s Left | FV | 18 | +5 |
| Left (Tscherning faction) | V | 18 | +3 |
| National Left | NV | 20 | -10 |
 | Middle | M | 18 | +8 |
 | National Liberals | NL | 20 | ±0 |
 | Right | H | 10 | -3 |
| 104 | +3 |
Elections in Denmark
Constitution of 1849: 1849 l 1852 l 1853 (February) l 1853 (May) l 1854 l 1855 l 1858 l 1861 l 1864 l 1865 l 1866 (June)
Constitution of 1866: 1866 (October) l 1869 l 1872 l 1873 l 1876 l 1879 l 1881 (May) l 1881 (July) l 1884 l 1887 l 1890 l 1892 l 1895 l 1898 l 1901 l 1903 l 1906 l 1909 l 1910 l 1913 l 1915
Constitution of 1915: 1918 l 1920 (April) l 1920 (July) l 1920 (September) l 1924 l 1926 l 1929 l 1932 l 1935 l 1939 l 1943 l 1945 l 1947 l 1950 l 1953 (April)
Constitution of 1953: 1953 (September) l 1957 l 1960 l 1964 l 1966 l 1968 l 1971 l 1973 l 1975 l 1977 l 1979 l 1981 l 1984 l 1987 l 1988 l 1990 l 1994 l 1998 l 2001 l 2005 l 2007 l 2011 l 2015 l 2019 l 2022