Era
20th century
17
1945-
8
19th century
8
1783-1865
7
21st century
5
To 1783
5
1865-1918
4
18th century
4
1980-2020
4
1865-1921
3
2001-2009
3
1743-1826
2
1775-1865
2
1783-1809
2
1865-1933
2
1918-1945
2
Revolution, 1775-1783
2
-1617
1
1775-1783
1
1783-1815
1
1809-1865
1
1839-1914
1
1841-1935
1
1842-1910
1
1859-1952
1
1861-1865
1
1913-1994
1
1918-1932
1
1932-2009
1
1933-1945
1
1936-2018
1
1945-1989
1
1952-
1
1954-
1
1960-1980
1
1961-1969
1
1969-1974
1
1971-
1
1993-2001
1
2008
1
Civil War, 1861-1865
1
Colonial period, ca. 1600-1775
1
approximately 1505-approximately 1530
1