Era
20th century
1,878
19th century
899
To 1500
723
1900-1999
673
17th century
647
18th century
647
1989-
641
1945-
531
16th century
455
21st century
422
1918-1945
389
476-1492
371
Since 1989
254
Medieval, 500-1500
229
1517-1648
204
1789-1900
201
Middle Ages, 600-1500
197
1871-1918
186
2000-2099
181
1648-1715
177
1800-1899
174
1700-1799
154
1492-1648
145
1800-1999
133
Since 1945
131
600-1500
125
1945-1989
121
1789-1815
120
1939-1945
112
To 1492
100
1648-1789
94
1933-1945
85
1500-1599
68
1500-1699
66
1600-1699
62
15th century
58
1600-1799
58
Since 1900
57
Middle Ages, 500-1500
52
1700-1899
48
500-1500
48
392-814
46
1492-
45
Early modern, 1500-1700
44
1848-1871
43
Commonwealth and Protectorate, 1649-1660
43
Renaissance, 1450-1600
42
1815-1848
41
1900-2099
41
1991-
41
more ...