Era
20th century
335
19th century
153
1900-1999
63
21st century
55
1900 - 1999
51
1951-
37
1800-1899
34
Civil War, 1861-1865
34
Colonial period, ca. 1600-1775
29
Since 1951
22
18th century
18
2000-2099
14
Revolution, 1775-1783
9
1600 - 1775
8
1700-1799
8
1898-1951
7
Early works to 1800
7
To 1898
7
1775-1865
6
1812-1870
6
1961-1975
6
War of 1812
6
1600-1775
4
1775 - 1783
4
1856-1950
4
1861-1865
4
1865-1950
4
1899
4
1900-2099
4
1933-1945
4
1939-1945
4
1945-
4
1970-1971
4
20e siècle
4
1800 - 1899
3
1809-1817
3
1812-1815
3
1857-1861
3
1860-1937
3
1865-
3
1914-1918
3
1934-
3
1939 - 1945
3
1940-1950
3
1943-
3
1948-
3
2000 - 2099
3
20e siècle
3
Since 1934
3
To 1775
3
more ...