20th century 18
1945- 8
1989- 8
21st century 6
To 1868 6
1868- 4
1868-1912 4
1941- 3
1945-1989 3
Meiji period, 1868-1912 3
Tokugawa period, 1600-1868 3
1949- 2
19th century 2
Allied occupation, 1945-1952 2
Edo period, 1600-1868 2
To 1600 2
1185-1868 1
1394-1481 1
1543-1616 1
1600-1868 1
1645-1708 1
16th century 1
17th century 1
1870-1914 1
1894-1917 1
1912-1926 1
1912-1949 1
1913-1994 1
1914-1996 1
1923- 1
1926-1945 1
1933- 1
1942- 1
1969-1974 1
1990- 1
Heian period, 794-1185 1
Kamakura-Momoyama periods, 1185-1600 1
Kangxi, 1662-1722 1
Muromachi period, 1336-1573 1
Restoration, 1853-1870 1
Shōwa period, 1926-1989 1
Siglo 16 1
Siglo 17 1
Taishō period, 1912-1926 1
To 794 1
s.16 1