Era
20th century
20
1918-1945
13
19th century
10
1945-
8
1868-
7
21st century
7
1818-1883
6
To 1868
6
1766-1834
5
18th century
5
1900-1999
4
1600-1868
3
1723-1790
3
1789-1846
3
17th century
3
1900 - 1999
3
1945-1989
3
2000 - 2099
3
16th century
2
1700-1899
2
1743?-1821?
2
1755-1817
2
1835-1901
2
1879-1946
2
1883-1950
2
1912-1949
2
1914-1918
2
1939-1945
2
1989-
2
2000-2099
2
Since 1945
2
1333-1600
1
1336-1573
1
1500-1600
1
1534-1582
1
1600 - 1868
1
1600-
1
1685-1744
1
1724-1804
1
1743?-1821
1
1787-1856
1
1834-1910
1
1840-1921
1
1855-1905
1
1864-1920
1
1865-1942
1
1868-1918
1
1880-1967
1
1883-1946
1
1884-1973
1
more ...