Era
20th century
13
1896-1976
8
21st century
4
1896-1945
3
1902-1990
3
1947-
3
1883-1961
2
1935-
2
1938-
2
1941-
2
1944-
2
1955-
2
1960-
2
1851-1928
1
1860-1939
1
1887-1916
1
1888-1964
1
1891-1956
1
1899-1942
1
18th century
1
1900-1999
1
1901-
1
1923-
1
1926-
1
1927-
1
1928-1985
1
1934-1990
1
1934-2009
1
1946-
1
1953-
1
1963-
1
1973-
1
19th century
1
20e siècle
1
Czech Republic
1
Intervention, 1968
1