Era
20th century
2,805
19th century
1,007
Civil War, 1861-1865
721
21st century
693
1945-1989
527
Revolution, 1775-1783
388
2009-
386
2001-2009
367
1945-
337
1946-
307
1933-1945
288
1989-
266
18th century
265
1993-2001
217
1981-2001
190
Colonial period, ca. 1600-1775
152
1981-1989
132
1945-1953
125
1783-1865
122
1809-1865
112
1960-1980
108
1775-1783
106
1991-
104
1882-1945
103
1953-1961
103
1980-2020
99
1918-1945
97
1960-
92
1969-1974
91
1980-
91
1981-1993
90
1865-1918
88
2016
86
To 1775
86
1963-1969
84
1913-1994
83
1815-1861
77
War of 1812
76
1917-1963
72
1970-
71
1977-1981
71
1979-
70
1993-
69
1884-1972
67
Civil War, 2011-
66
2017-2021
65
To 1865
65
1861-1865
64
1951-
64
1965-
64
more ...