Era
20th century
34
1900-1999
15
21st century
7
1910-1945
4
1970-
4
1914-1918
3
1926-1945
3
1933-1945
3
1945-
3
Allied occupation, 1945-1952
3
Since 1970
3
18th century
2
1900 - 1999
2
1917-1945
2
1937-
2
1937-1945
2
1938-1945
2
1938-1992
2
1939-1945
2
1945-1955
2
1945-1989
2
1945-1992
2
1959-1990
2
1974-
2
1979-1997
2
1983-
2
1993-
2
2000-2099
2
2001-2009
2
2005
2
Since 1993
2
1700 - 1799
1
1700-1899
1
1848
1
1850-1937
1
1859-1935
1
1874-1964
1
1898-1935
1
1898-1946
1
1906-
1
1912-1945
1
1914 - 1918
1
1917-
1
1917-1936
1
1918-
1
1918-1945
1
1919-1932
1
1919-1945
1
1926 - 1952
1
1926-1952
1
more ...