Era
20th century
4,180
21st century
3,318
19th century
2,894
1900-1999
2,211
2000-2099
936
18th century
709
1800-1899
593
To 1500
579
17th century
436
1945-
370
1991-
333
16th century
320
Civil War, 1861-1865
299
1800-1999
297
2003-
281
2001-2021
259
1939-1945
236
1989-
236
1900-2099
215
1700-1799
206
2000-
201
1997-
194
2009-
194
1564-1616
193
2001-2009
187
Revolution, 1775-1783
179
Since 1945
170
1945-1989
165
1980-
158
Colonial period, ca. 1600-1775
154
1674-1748
146
1960-
135
1933-1945
129
1946-
117
Since 2000
113
Since 1989
102
Since 2020
101
1600-1699
100
Early modern, 1500-1700
98
1918-1945
97
1979-
95
1981-
94
Since 1900
93
1700-1899
92
Since 1991
92
1993-
91
1949-
88
1990-
88
1988-
87
1975-
86
more ...