Era
20th century
1,383
19th century
688
1945-
436
1900-1999
396
18th century
324
17th century
310
21st century
303
To 146 B.C.
268
To 1500
245
16th century
227
1970-
184
To 332 B.C.
165
1800-1899
148
2000-2099
130
1066-1485
129
1918-1945
112
1865-1918
105
Since 1900
102
1783-1865
101
Early modern, 1500-1700
91
To 622
86
Since 1945
84
1800-1999
78
To 634
77
To 1783
76
Colonial period, ca. 1600-1775
66
1700-1799
65
1268-1559
60
To 1066
60
1980-
53
Victoria, 1837-1901
49
711-1516
47
1564-1616
45
1989-
45
332 B.C.-638 A.D.
41
Civil War, 1861-1865
40
1775-1865
38
1949-
37
1600-1699
36
1900-2099
34
1644-1912
33
960-1644
33
Middle English, 1100-1500
33
To 221 B.C.
32
To 640
32
1945-1989
31
Revolution, 1775-1783
31
Since 1970
31
1500-1700
27
1950-
27
more ...