Cyfnod
20th century
132
19th century
64
17th century
15
16th century
14
21st century
13
18th century
12
Early modern, 1500-1700
8
1882-1941
7
1564-1616
6
1939-
6
Modern period, 1600-
6
d.632
5
1775-1817
4
1851-1904
4
Early modern and Elizabethan, 1500-1600
4
1919-
3
1925-
3
1927-
3
1945-
3
1965-
3
1997-
3
Middle English, 1100-1500
3
Renaissance, 1450-1600
3
To 1500
3
d. 632
3
1759-1797
2
1797-1851
2
1806-1861
2
1810-1865
2
1819-1880
2
1840-1928
2
1851-1913
2
1881-1941
2
1885-1930
2
1890-1976
2
1924-
2
1947-
2
1960-1980
2
1973-
2
1979-1997
2
1980-
2
750-1258
2
Colonial period, ca. 1600-1775
2
Malayan Emergency, 1948-1960
2
Middle Ages, 500-1500
2
Victoria, 1837-1901
2
ca. 614-678
2
d. 1400
2
-632
1
1533-1917
1
rhagor ...