Era
20th century
1,185
19th century
542
21st century
466
1900-1999
455
18th century
250
17th century
210
1800-1899
185
1945-
185
2000-2099
175
To 1500
138
1989-
123
16th century
93
1700-1799
85
1800-1999
80
1564-1616
78
Colonial period, ca. 1600-1775
78
Civil War, 1861-1865
74
Early modern, 1500-1700
62
1939-1945
60
1945-1989
50
Revolution, 1775-1783
50
1900-2099
46
Middle Ages, 600-1500
46
1991-
43
Since 1945
43
1933-1945
42
2001-2009
38
1960-
37
Since 1900
37
1724-1804
36
1775-1865
36
1600-1775
35
1990-
32
1600-1699
31
2000-
31
Civil War, 1642-1649
31
Since 1989
30
1674-1748
29
1775-1783
29
1980-
29
1817-1862
27
Middle English, 1100-1500
27
Primitive and early church, ca. 30-600
27
600-1500
26
1970-
25
1500-1700
22
1861-1865
22
1800
21
1993-
21
1700-1899
20
more ...