Cyfnod
19th century
24
20th century
16
1894-1941
6
1225?-1274
4
1672-1750
4
1792-1878
4
1599-1667
3
17th century
3
1876-1958
3
18th century
3
1350-1396
2
1716-1788
2
1954
2
-1124?
1
1033-1109
1
1090 or 1091-1153
1
1162-1214
1
1388-1468
1
1475
1
1490
1
1568-1644
1
1574-1655
1
1599-1669
1
15th and 16th centuries
1
1605-1665
1
1617-1682
1
1673-1716
1
1693-1769
1
1772-1858
1
1782-1861
1
1794-1876
1
1795-1862
1
1806-1876
1
1806-1889
1
1810-1903
1
1887-1968
1
600-1500
1
Middle Ages, 600-1500
1
approximately 1266-1308
1
approximately 1592-1649
1
approximately 370-444
1
approximately 660-740
1