Era
20th century
225
19th century
135
1900-1999
106
1945-
90
21st century
69
1800-1899
54
1960-1980
51
1900 - 1999
49
Since 1945
46
1745-1797
45
Civil War, 1861-1865
42
18th century
39
1971-1981
35
20e siècle
30
1861-1865
26
2000-2099
26
1980-2020
24
1981-2001
24
20e siècle
20
1800 - 1899
18
1865-1918
18
1745-
16
1700-1799
15
1980-
15
1916-2006
14
1971-
14
Colonial period, ca. 1600-1775
14
1961-1971
13
1981-
13
1800-1999
12
1960-
11
1981-1993
11
17th century
10
1845-1849
10
1857-1861
10
1869-1937
10
1960 - 1980
10
Geschichte
10
Since 1960
10
Since 1980
10
19e siècle
9
Since 1900
9
Since 1971
9
1700-1899
8
2000 - 2099
8
2009-
8
21e siècle
8
1918-1932
7
21e siècle
7
1600-1775
6
more ...