Era
20th century
23
1900-1999
12
To 1500
11
16th century
8
19th century
8
711-1516
8
Civil War, 1936-1939
6
1939-1975
5
1442-1515
4
1800-1899
4
Ferdinand and Isabella, 1479-1516
4
Republic, 1931-1939
4
1931-1939
3
-1870
2
-approximately 1147
2
1310?-1396
2
1311-1350
2
1479-1516
2
1500-1599
2
1547-1616
2
1735-1816
2
1766-1824
2
1780-1849
2
1813-1833
2
1831-1896
2
1867-1954
2
18th century
2
1936-1939
2
1975-1982
2
711 - 1516
2
Medieval, 500-1500
2
Middle Ages, 500-1500
2
To 1810
2
To 1830
2
-1095
1
-1583
1
-1631 or 1632
1
-1783
1
-1799
1
1083-1149
1
1104-1157
1
1105-1157
1
1108 or 1109-1179 or 1180
1
1313-1374
1
1452-1516
1
1479 - 1516
1
1498
1
1500 - 1700
1
1500-1700
1
1502-1582?
1
more ...