Období
20.-21. století
6
20. století
5
20th century
5
20th-21st centuries
5
21. století
2
18.-20. století
1
1864-1938
1
1880-1919
1
18th-20th centuries
1
19.-20. století
1
1901-1957
1
1914-1918
1
1918-1938
1
1918-1939
1
1920
1
1954-1960
1
1989-2002
1
19th-20th centuries
1
20.-21. století, 1989-2002
1
20th-21st centuries, 1989-2002
1
21st century
1