Era
1945-
188
20th century
113
Since 1945
57
1900-1999
44
21st century
30
1912-1945
29
1868-
26
1918-1945
21
1945-1989
21
To 1945
21
1900 - 1999
20
2000-2099
16
1926-1945
15
Since 1868
15
1989-
8
1868-1912
7
19th century
6
1600-1868
5
1868-1918
5
1900-1945
5
1912 - 1945
5
20e siècle
5
Since 1900
5
20e siècle
4
Allied occupation, 1945-1952
4
1859-1933
3
1867-1945
3
1889-1929
3
1918 - 1945
3
1926 - 1945
3
1939-1945
3
21e siècle
3
Shōwa period, 1926-1989
3
Since 1989
3
1185-1600
2
1600 - 1868
2
1871-1915
2
1885-1923
2
1899-1990
2
1900-1982
2
1903-1997
2
1906-1997
2
1912-1926
2
1912-1998
2
1926-1989
2
1929-
2
1933-
2
1939 - 1945
2
1945 - 1952
2
1945-1952
2
more ...