Era
20th century
11
19th century
3
Civil War, 1861-1865
3
1886-1950
2
1767-1845
1
1815-1875
1
1820-1891
1
1824-1863
1
1827-1895
1
1837-1863
1
1860-1890
1
1866-1895
1
1879-1936
1
1884-1943
1
1893-1976
1
1895-1976
1
18th century
1
1907-2003
1
1908-1987
1
1919-1967
1
1919-1992
1
1919-2005
1
1923-2021
1
1924-
1
1936-
1
1937-
1
1946-
1
1950-
1
1968-
1
21st century
1
World War, 1939-1945
1