Era
1918
2
1968
2
20.-21. století
2
1884-1948
1
19.-20. století
1
1914-1918
1
1918-1938
1
1918-1939
1
1918-1948
1
1918-2018
1
1932-1939
1
1938
1
1945
1
1945-1948
1
1945-1989
1
1948
1
1948-1968
1
1961-1970
1
1963-1967
1
1989-1992
1
1991-2018
1
1993-
1
19th-20th centuries
1
20. století
1
20th century
1
20th-21st centuries
1
od 1993
1