Era
20th century
30
19th century
22
1900-1999
12
20e siècle
12
1800-1899
7
19e siècle
7
1901-
5
Paleozoic
5
1859-1952
4
1877-1927
4
1880-1968
4
1894-
4
1895-1958
4
1945-
4
1892-1966
3
1895-1988
3
18th century
3
1905-
3
1929
3
1933-1945
3
Civil War, 1861-1865
3
From 230 to 570 million years ago
3
Paléozoïque
3
1600-1868
2
16th century
2
1762-1814
2
1778-1852
2
1798-1859
2
1805-1879
2
1817-1890
2
1818-1883
2
1834-1917
2
1840-1893
2
1863-1937
2
1865-1918
2
1867-1938
2
1872-1929
2
1876-1950
2
1878-1949
2
1878-1965
2
1879-1958
2
1881-1965
2
1887-1974
2
1889-1983
2
1894-1972
2
1895-1948
2
1895-1976
2
1897-1957
2
1899-1959
2
1899-1961
2
more ...