Era
20th century
363
21st century
178
19th century
154
18th century
49
1970-
42
16th century
39
Siglo XX
37
1982-
34
2000-
31
17th century
29
1980-
28
1818-1883
24
S XX
23
Siglo XXI
22
1945-
20
Siglo 20
20
Siglo XIX
19
To 1500
19
1939-1975
18
1906-1975
14
Siglo 21
14
1810
13
1988-2000
13
Classical period, 1500-1700
13
1975-
12
1853-1895
11
1974-
10
Since 1945
10
Civil War, 1936-1939
9
Siglo 19
9
Spanish colony, 1540-1810
9
1886-1931
8
1889-1976
8
1970-1988
8
1973-
8
1983-
8
1988-
8
To 1810
8
1883-1955
7
1980
7
1989-
7
1994-
7
1810-
6
1864-1936
6
1886-1939
6
1969-
6
1975-1982
6
Medieval, 500-1500
6
Revolution, 1910-1920
6
S XXI
6
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