Era
20th century
82
1945-
61
19th century
48
18th century
15
1564-1616
13
1933-1945
10
20TH CENTURY
9
Early modern, 1500-1700
9
1960-
7
17th century
6
1976-
6
1981-
6
1915-
5
1918-1945
5
1961-
5
1975-
5
Anglo-Saxon period, 449-1066
5
1818-1883
4
1835-1910
4
1882-1941
4
1896-1940
4
1897-1962
4
1917-
4
1970-
4
1971-
4
History
4
1485-
3
1572-1631
3
1621-1678
3
1667-1745
3
16th century
3
1757-1827
3
1789-1900
3
1830-1886
3
1906-1989
3
1914-
3
1918-1933
3
1926-
3
1939-
3
476-1492
3
Addresses, essays, lectures
3
Stuarts, 1603-1714
3
Tudors, 1485-1603
3
1399-1485
2
1485-1509
2
1638-1715
2
1787-1868
2
1792-1822
2
1795-1821
2
1811-1896
2
more ...