Era
20th century
1,200
19th century
796
1900-1999
586
18th century
381
1800-1899
301
17th century
194
21st century
154
To 1500
145
1700-1799
138
16th century
112
1743-1826
110
1564-1616
107
1945-1989
106
1945-
99
1800-1999
94
2000-2099
93
1989-
90
Early modern, 1500-1700
81
1775-1783
77
1783-1809
65
1879-1955
58
Revolution, 1789-1799
56
1813-1855
54
Since 1945
50
1600-1699
49
Revolution, 1775-1783
49
1933-1945
48
Colonial period, ca. 1600-1775
47
1608-1674
46
Medieval, 500-1500
43
1939-1945
42
1875-1961
40
Middle Ages, 600-1500
40
Revolution, 1917-1921
40
1700-1899
36
Since 1989
36
1918-1933
35
1856-1924
34
1918-1945
34
1500-1700
33
To 146 B.C.
33
1817-1862
31
Since 1900
31
1757-1827
29
-1400
28
1469-1527
27
1801-1917
27
1882-1941
27
1265-1321
26
1500-1599
26
more ...