Era
20th century
119
19th century
103
1900-1999
48
1800-1899
26
To 1500
25
18th century
22
21st century
15
1929
13
1945-
13
Civil War, 1861-1865
13
17th century
12
1800-1999
12
16th century
9
1991-
9
1775-1865
7
1066-1485
6
1865-1921
6
1960-
6
British occupation, 1765-1947
6
To 1865
6
1700-1799
5
1865-1951
5
1976-2000
5
Colonial period, ca. 1600-1775
5
1765-1947
4
1865-
4
1918-1945
4
1933-1945
4
1947-
4
1979-1990
4
2000-2099
4
1644-1912
3
1792-1865
3
1794-1865
3
17th cent
3
1818-1895
3
1856-1915
3
1864?-1943
3
1865-1933
3
1865-1950
3
1868-
3
1868-1963
3
1900-2099
3
1917-1928
3
1918-
3
1951-
3
1964-1975
3
1979-
3
2009-
3
2011
3
more ...