Era
20th century
2,695
1933-1945
1,198
1900-1999
1,109
19th century
828
1918-1933
529
18th century
411
1889-1945
326
1939-1945
284
1990-
244
1945-1990
212
21st century
202
1800-1899
196
1918-1945
185
1871-1918
178
1945-1955
161
17th century
151
16th century
148
1800-1999
132
Unification, 1990
131
1700-1799
110
1945-
109
1789-1900
105
Since 1990
93
2000-2099
86
1888-1918
79
To 1500
72
1813-1883
67
1815-1898
64
1700-1899
62
World War, 1939-1945
59
Since 1945
57
1483-1546
56
1500-1599
52
1939 - 1945
48
1844-1900
46
1900 - 1999
45
Middle Ages, 600-1500
43
1871-
42
1914-1918
42
1685-1750
41
1859-1941
40
1900-2099
38
1517-1648
35
1749-1832
35
1800-1933
35
1864-1920
35
1848-1870
34
Revolution, 1918
34
Since 1900
32
1989-
29
more ...