Era
20th century
19th century
16
20th century --
10
1856-1950
2
1903-1974
2
1914-1972
2
1945-
2
21st century
2
1750-1918
1
1783-1865
1
17th century
1
1858-1919
1
1865-
1
1865-1918
1
1869-1948
1
1871-1938
1
1871-1945
1
1874-1958
1
1874-1965
1
1877-1964
1
1882-1941
1
1884-1962
1
1885-1930
1
1887-1972
1
1892-
1
1892-1962
1
1896-
1
1896-1967
1
1899-1961
1
18th century
1
1903-1990
1
1911-1979
1
1912-
1
1917-1977
1
1918-
1
1919-
1
1929-1968
1
1937-
1
1945
1
1964-
1
1965-1990
1
1970-
1
1985-1995
1
19th century --
1
20yh century
1
Civil War, 1936-1939
1