Era
20th century
121
19th century
77
1900-1999
55
18th century
34
21st century
27
1800-1899
22
2000-2099
16
1700-1799
10
Civil War, 1861-1865
8
1775-1865
6
1945-1989
6
1700-1899
5
1977-1981
5
1981-1989
5
1989-
5
1865-
4
1960-
4
17th century
3
1800?-1831
3
1886-1968
3
1900-2099
3
1974-1991
3
Since 1865
3
To 1865
3
1492-1549
2
1500-1599
2
16th century
2
1703-1791
2
1759-1833
2
1775-1899
2
1783-1865
2
1800-1999
2
1841-1845
2
1845-1861
2
1875-
2
1875-1899
2
1880-1958
2
1900 - 1999
2
1905-1985
2
1913-2003
2
1918-2018
2
1936-
2
1945-
2
1946-
2
1982-
2
19e siècle
2
2001-2009
2
2008
2
Colonial period, ca. 1600-1775
2
Geschichte
2
more ...