Era
1918-1945
35
1918-
15
1945-
15
1914-1918
11
20th century
10
19th century
7
18th century
6
1914-1939
6
Since 1945
6
1900-1999
5
1700-1799
4
1914-1945
4
1938-1945
4
1867-1918
3
1918-1938
3
Since 1918
3
1630-1703
2
1792-1797
2
1798-1860
2
1800-1899
2
1846-1923
2
1848-1918
2
1866-1918
2
1877-1941
2
1891-1973
2
1914 - 1918
2
1918 - 1945
2
21st century
2
1610-1670
1
1767-1812
1
1792-1857
1
17th century
1
1800 - 1899
1
1845-1933
1
1846-1922
1
1849-1939
1
1856-1939
1
1863-1952
1
1865-1939
1
1867-1945
1
1867-1962
1
1870-1931
1
1870-1950
1
1871-1918
1
1872-1951
1
1872-1963
1
1875-1955
1
1879-1955
1
1881-
1
1882-1941
1
more ...