Era
1945-
8
1989-
7
20th century
5
20th century --
4
21st century
4
1945
3
19th century
3
To 1868
3
1600-1868
2
1926-1945
2
1868
1
18th century
1
1939-1945
1
1939-1945 --
1
1942-1969
1
1945- --
1
1986
1
1989
1
19th century --
1
2011- --
1
21st century --
1
21th century
1
21th century --
1
Meiji period, 1868-1912
1
Meiji period,1868-1912
1
to 1868
1