Era
20th century
3,512
1900-1999
2,777
19th century
1,537
1800-1899
1,057
1939-1945
494
Civil War, 1861-1865
420
18th century
409
21st century
303
1861-1865
287
1700-1799
252
17th century
208
2000-2099
176
1809-1865
165
1800-1999
164
1951-
162
16th century
155
Revolution, 1775-1783
141
1933-1945
137
1945-1989
129
1945-
115
1775-1783
111
1600-1699
105
1946-
98
1939 - 1945
85
Colonial period, ca. 1600-1775
85
Since 1900
83
1914-1918
82
1900-2099
81
1500-1599
77
1989-
76
Since 1945
76
1732-1799
75
1900 - 1999
75
1941-
69
1949-
68
1865-1950
63
20e siècle
62
To 1500
61
1743-1826
60
1961-1975
60
Since 1951
60
1944-
58
1700-1899
57
1882-1945
55
1706-1790
54
1783-1865
51
Early modern, 1500-1700
50
1943-
49
1960-
49
1934-
47
more ...