Era
20th century
22
19th century
16
21st century
16
2000-2099
11
1900-1999
6
1800-1899
4
1865-1918
4
18th century
4
1783-1865
3
1800-1999
3
To 1865
3
1700-1799
2
1864-1920
2
1865-1945
2
1868-1963
2
1948-1980
2
1971-
2
1980-
2
1989-
2
1990-
2
Civil War, 1861-1865
2
Since 1900
2
1632-1677
1
1783-1999
1
1818-1883
1
1847-1922
1
1865-1900
1
1865-1939
1
1882-1941
1
1900-1945
1
1925-1995
1
1930-1992
1
1931-
1
1945-
1
1952-
1
1960-
1
1970-
1
1981-
1
1981-2001
1
1983-
1
1985-1991
1
1991-
1
1993-
1
1994-
1
2000-
1
2008-2009
1
Anthropocene
1
Geschichte 1865-1915
1
Puritan Revolution, 1642-1660
1
Since 1945
1
more ...