Significant Figures: 1861-1986

Main

1808 - 1874
1825 - 1901
1828 - 1892
1828 - 1889
1835 - 1912
1851 - 1930
1851 - 1939
1859 - 1906
1860 - 1930
1862 - 1947
1862 - 1932
1872 - 1946
1875 - 1965
1877 - 1960
1884 - 1973
1884 - 1937
1884 - 1976
1904 - 1968
1906 - 1998
1908 - 2007
1911 - 2001
1915 - 1989
1917 - 1984
1919 - 1983
1921 - 2008
1937 - Present
1939 - Present

Key