Era
20th century
66
21st century
33
1945-
24
1961-
16
19th century
12
Quaternary
9
18th century
7
1960-
4
1989-
4
1714-1837
3
1945-1989
3
1951-
3
1970-
3
1971-
3
1991-
3
2001-
3
Holocene
3
Revolution, 1789-1799
3
1789-1900
2
17th century
2
1918-1945
2
1941-
2
1942-
2
1946-
2
1948-
2
1950-
2
1955-
2
476-1492
2
Stuarts, 1603-1714
2
Tudors, 1485-1603
2
Victoria, 1837-1901
2
1500-1699
1
1573-1610
1
1608-1674
1
1644-1911
1
1689-1714
1
16th century
1
1769-1821
1
1770-1831
1
1775-1817
1
1800-1899
1
1809-1882
1
1811-1889
1
1812-1870,
1
1819-1884
1
1819-1891
1
1831-1915
1
1840-1928
1
1843-1916
1
1845-1861
1
more ...