Era
20th century
19,183
1900-1999
13,753
19th century
9,951
1800-1899
5,604
18th century
3,896
21st century
3,021
To 1500
2,738
Revolution, 1775-1783
2,625
17th century
2,611
1775-1783
2,142
Civil War, 1861-1865
1,953
1800-1999
1,852
16th century
1,831
1700-1799
1,803
2000-2099
1,556
1861-1865
1,091
Colonial period, ca. 1600-1775
1,012
1600-1699
843
1700-1899
809
1900-2099
783
Since 1900
746
1939-1945
617
1600-1775
606
1500-1599
589
1900 - 1999
557
1945-
511
Middle Ages, 600-1500
473
Early modern, 1500-1700
466
1933-1945
458
1600-1799
454
Revolution, 1789-1799
440
1500-1699
424
1945-1989
394
30-600
382
French and Indian War, 1754-1763
354
Early church, ca. 30-600
347
1775-1865
338
1500-1700
325
1564-1616
315
600-1500
296
Geschichte
294
1754-1763
289
Medieval, 500-1500
269
1918-1945
253
1789-1799
244
Since 1945
239
To 1775
233
1989-
219
1800 - 1899
208
1809-1865
207
more ...