Era
1918-
Since 1918
63
1944-1984
15
1918-1972
13
1972-
11
1895-1944
10
1944-
8
Since 1895
5
1984-
4
1893-1979
3
1918-1952
2
1970-
2
1972
2
20th century
2
Since 1944
2
Since 1970
2
1830-
1
1895 - 1984
1
1898-1944
1
1899-
1
1918-1970
1
1929
1
1944
1
1944 - 1984
1
1945-
1
1949-
1
1968-
1
Since 1830
1
Since 1900
1