Era
1904-1973
565
20th century
498
1810-1830
455
1973-1985
360
1830-1875
354
1985-
320
1764-1850
272
1900-1999
221
19th century
196
1875-1904
180
To 1810
178
Since 1985
143
1856-1929
121
1973-
103
1904-
89
1904 - 1973
87
1900 - 1999
85
1817-1860
81
1810-
80
1800-1899
77
1934-
76
1830-
71
1810 - 1830
70
Coup d'état, 1973
59
Since 1973
56
21st century
53
Since 1810
50
Coup d'état, 1973
46
20e siècle
44
Since 1904
43
1973 - 1985
42
Since 1830
42
Since 1900
35
War of Independence, 1810-1817
35
1919-1988
34
1800 - 1899
32
1856-1904
31
1855-1904
29
1873-1959
29
1940-
28
Empire, 1822-1889
28
approximately 1784-1854
28
18th century
27
1918-
27
Great War, 1843-1852
27
1811-1870
26
Wars of Independence, 1806-1830
24
2000-2099
22
1875 - 1904
21
1904-1985
21
more ...