Era
20th century
3,304
19th century
1,541
1900-1999
1,442
1974-
844
16th century
840
18th century
816
21st century
808
Period of discoveries, 1385-1580
742
17th century
678
1800-1899
653
1910-1974
544
1933-1974
451
Revolution, 1974
448
20e siècle
396
Early works to 1800
392
1385-1580
345
To 1385
343
Since 1974
341
1816-1826
320
1900 - 1999
308
To 1500
278
1700-1799
267
1500-1599
263
John VI, 1816-1826
242
1889-1970
227
2000-2099
221
1800-1999
198
1789-1900
183
1828-1834
173
Miguel I, 1828-1834
173
Spanish dynasty, 1580-1640
168
1600-1699
164
Revolution, 1961-1975
156
1763-1822
152
711-1516
150
1933-
147
1910-1926
139
1826-1853
136
1699-1782
133
Maria I, 1777-1816
128
Revolution, 1640
128
1974
125
1900-2099
121
To 1822
120
Modern, 1580-
117
Since 1900
116
Joseph, 1750-1777
112
1526-1765
110
19e siècle
107
21e siècle
107
more ...