Era
20th century
13,340
19th century
6,656
1900-1999
4,678
21st century
4,222
17th century
3,261
18th century
2,749
2000-2099
1,932
1800-1899
1,781
To 1500
1,587
16th century
1,572
1564-1616
1,440
Civil War, 1861-1865
1,412
1945-
1,127
Early modern, 1500-1700
911
Colonial period, ca. 1600-1775
688
1989-
675
Revolution, 1775-1783
658
1800-1999
653
1700-1799
644
1939-1945
600
1900-2099
518
Middle English, 1100-1500
475
1861-1865
468
Since 1945
432
1933-1945
417
1945-1989
416
Civil War, 1642-1649
394
1775-1783
355
1946-
350
Middle Ages, 600-1500
348
1960-
333
1918-1945
288
Early modern and Elizabethan, 1500-1600
286
1980-
283
1600-1699
277
1882-1941
270
1991-
256
Medieval, 500-1500
255
Old English, ca. 450-1100
251
1500-1599
238
1608-1674
238
1809-1865
238
Since 1989
237
1500-1700
236
2000-
231
-1400
219
1700-1899
214
Revolution, 1789-1799
212
1900 - 1999
209
Since 2000
207
more ...