Era
20th century
20,047
1900-1999
14,408
19th century
10,305
1800-1899
5,779
18th century
4,055
21st century
3,159
To 1500
2,872
17th century
2,701
Revolution, 1775-1783
2,648
1775-1783
2,162
Civil War, 1861-1865
1,962
1800-1999
1,930
16th century
1,916
1700-1799
1,883
2000-2099
1,641
1861-1865
1,094
Colonial period, ca. 1600-1775
1,020
1600-1699
876
1700-1899
841
1900-2099
818
Since 1900
764
1939-1945
641
1500-1599
629
1600-1775
609
1900 - 1999
574
1945-
541
1933-1945
520
Middle Ages, 600-1500
502
Early modern, 1500-1700
475
1600-1799
466
Revolution, 1789-1799
462
1500-1699
442
30-600
402
1945-1989
399
Early church, ca. 30-600
359
French and Indian War, 1754-1763
356
1775-1865
339
1500-1700
336
1564-1616
318
600-1500
311
Geschichte
304
1754-1763
290
Medieval, 500-1500
278
1918-1945
275
Since 1945
260
1789-1799
257
To 1775
237
1989-
225
1800 - 1899
214
1809-1865
208
more ...