Era
20th century
8,208
1900-1999
3,893
21st century
2,707
19th century
2,031
1900 - 1999
1,637
2000-2099
1,444
Civil War, 1861-1865
1,185
18th century
963
17th century
850
Early works to 1800
706
1800-1899
521
1809-1865
397
Revolution, 1775-1783
395
1564-1616
371
15th and 16th centuries
353
20e siècle
336
1900-2099
266
-632
265
1630-1685
261
2000 - 2099
255
1732-1799
238
Early modern, 1500-1700
219
21e siècle
215
Renaissance, 1450-1600
213
20e siècle
203
16th century
198
1939-1945
196
1800 - 1899
190
1650-1702
182
1914-1918
172
To 1500
168
1819-1892
167
1770-1850
166
1700-1799
165
1662-1694
164
1861-1865
157
War of 1812
154
1800-1999
144
1961 - 1975
144
1980
143
1633-1701
142
1888-1965
135
1265-1321
133
1500-1700
132
Colonial period, ca. 1600-1775
132
1830-1886
126
1978
125
1914 - 1918
124
1939 - 1945
119
1977
119
more ...