Era
1945-
41
1870-
27
1870-1945
23
Quaternary
21
1918-
17
Early works to 1800
15
1800-1870
12
1918-1945
9
19th century
9
1949-
8
20th century
8
1786-1847
7
1912-1949
5
1949-1976
5
From 2 million years ago
5
Pleistocene
5
1880-1930
4
1947-
4
1970-
4
Elizabeth, 1558-1603
4
Quaternaire
4
Tudors, 1485-1603
4
1730?-1774
3
1900-1999
3
1917-1945
3
Civil War, 1861-1865
3
To 622
3
approximately 1540-1596
3
1423-1815
2
1527-1598
2
16th century
2
1740-1799
2
1769-1859
2
1802-1856
2
1809-1882
2
1870
2
18th century
2
1900-
2
1903
2
1945-1989
2
1945-1992
2
1958-
2
1968-1989
2
1970-1982
2
1991-
2
19e siècle
2
2000-2099
2
From 10 thousand to 2 million years ago
2
Holocene
2
Since 1945
2
more ...