Era
1933-1945
529
20th century
397
1918-1933
332
1889-1945
141
1945-1990
141
1900-1999
137
1990-
121
1871-1918
91
19th century
77
1918-1945
59
1888-1918
55
Since 1990
44
1789-1900
41
1945-
37
21st century
34
1815-1898
33
1859-1941
22
1815-1870
20
Unification, 1990
20
1848-1870
19
1800-1899
18
1871-1933
18
Since 1945
18
1871-
14
Revolution, 1918
14
Since 1900
14
1806-1848
13
1866-1871
13
1900-1945
13
1945-1955
12
1871-1888
11
1897-1945
11
2000-2099
11
18th century
10
To 1517
10
1740-1806
9
1905-1981
9
1800-1999
8
1888-1985
8
1893-1946
8
1922-1945
8
To 1500
8
1770-1831
7
1800-1933
7
1806-1815
7
1933 - 1945
7
1938-1945
7
1517-1648
6
1800-1918
6
1815-1866
6
more ...