Era
20th century
26
1874-1965
23
Elizabeth, 1558-1603
16
Henry VIII, 1509-1547
16
1533-1603
14
16th century
14
1491-1547
13
1819-1901
12
19th century
12
Victoria, 1837-1901
11
1837-1901
10
18th century
8
1901-1936
7
Stuarts, 1603-1714
6
1452-1485
5
1509-1547
5
1516-1558
5
17th century
5
1863-1945
5
Henry VII, 1485-1509
5
Tudors, 1485-1603
5
1122?-1204
4
1133-1189
4
1457-1509
4
1475?-1530
4
1537-1553
4
1542-1587
4
1630-1685
4
1738-1820
4
1961-1997
4
Charles II, 1660-1685
4
James I, 1603-1625
4
Lancaster and York, 1399-1485
4
Mary Stuart, 1542-1567
4
Richard III, 1483-1485
4
1367-1400
3
1478-1535
3
1485?-1540
3
1507-1536
3
1552?-1618
3
1566-1625
3
1599-1658
3
1758-1805
3
1809-1898
3
1819-1861
3
1888-1935
3
1894-1972
3
1895-1952
3
1896-1986
3
1910-1936
3
more ...