Era
20th century
551
19th century
282
1945-
247
18th century
147
17th century
130
1970-
126
16th century
105
To 146 B.C.
100
1865-1918
69
1783-1865
65
1918-1945
64
21st century
63
1066-1485
61
To 1783
53
To 332 B.C.
47
1980-
43
Early modern, 1500-1700
41
To 1500
37
Colonial period, ca. 1600-1775
35
Victoria, 1837-1901
29
To 1066
28
1268-1559
26
1989-
26
1564-1616
25
1945-1989
22
To 634
21
To 622
20
1775-1865
19
1950-
19
711-1516
19
1960-1980
18
1328-1600
17
1830-1900
17
Middle English, 1100-1500
16
Revolution, 1775-1783
16
Civil War, 1861-1865
15
1900-1999
14
Elizabeth, 1558-1603
14
Tudors, 1485-1603
13
-1400
12
1949-
12
476-1492
11
Medieval, 500-1500
10
To 70 A.D.
10
1901-1945
9
1933-1945
9
1945-1970
9
Revolution, 1789-1799
9
To 221 B.C.
9
1644-1912
8
more ...