Období
20. století
6
20.-21. století
4
20th century
4
19.-20. století
2
19th-20th centuries
2
21. století
2
1871-1947
1
1876-1932
1
1882-1951
1
1898-1965
1
1907-1977
1
1918-1938
1
1920-
1
1921-1969
1
1939
1
1939-1945
1
1942-2008
1
1944-
1
1948-1956
1
1948-1989
1
1951-1960
1
1952-
1
1954-
1
1956-1976
1
1957-1958
1
20th-21st centuries
1
21st century
1