Era
19th century
31
20th century
24
1524?-1580
12
18th century
10
2001-2010
6
21st century
6
Period of discoveries, 1385-1580
6
17th century
5
1985-
5
1469-1524
4
1506-1552
4
1801-1869
4
1900-1999
4
1991-2000
4
Alfonso V, 1438-1481
4
To 1821
4
ca. 1500-1542
4
1432-1481
3
1608-1697
3
1699-1782
3
1809-1861
3
1809-1862
3
1810-1877
3
1921-1997
3
1964-1985
3
Classical period, 1500-1700
3
To 1500
3
1261-1325
2
1394-1460
2
1481?-1558
2
1500-1548
2
1526-1765
2
1549-1580
2
1549-1762
2
1714-1777
2
1765-1805
2
1768-1839
2
1802-1866
2
1822-1889
2
1833-1902
2
1842-1891
2
1845-1900
2
1861-1889
2
1889-1908
2
1891-1937
2
1895-1975
2
1930-1945
2
1945-
2
1945-1989
2
1974-
2
more ...