Era
20th century
91
21st century
34
1900-1999
33
19th century
28
2000-2099
20
1800-1899
8
1941-1955
7
1919-2010
6
Civil War, 1861-1865
6
1800-1999
4
1862-1930
3
1918-1945
3
1927-
3
1929-1945
3
1939-
3
1939-1945
3
1945-
3
1961-
3
1985-1991
3
1991-1995
3
1993-
3
1564-1616
2
1794
2
1795
2
1799
2
17th century
2
1900 - 1999
2
1905-
2
1919-1933
2
1924-2014
2
1929
2
1949-
2
1950-
2
1961-1969
2
1968-
2
1970-1991
2
1980-
2
1989-
2
20e siècle
2
21e siècle
2
Empire, 284-476
2
German occupation, 1940-1945
2
-1800
1
-1963
1
-1991
1
1421-1737
1
1452-1498
1
15th century
1
16th century
1
1700-1899
1
more ...