Era
19th century
9
1868-
6
20th century
5
Tokugawa period, 1600-1868
4
1333-1600
3
17th century
3
1800-1899
3
18th century
3
1906-
3
1906-1988
3
Meiji period, 1868-1912
3
1600-1868
2
1600-1899
2
16th century
2
1800-1912
2
1900-1999
2
1926-1945
2
Attempted Mongol Invasions, 1274-1281
2
Republic, 1912-1949
2
Restoration, 1853-1870
2
To 1500
2
To 1600
2
To 1868
2
To 645
2
-1698
1
1185-1600
1
1333 - 1600
1
1480 - 1603
1
1480-1603
1
14th century
1
1546-1604
1
1556-1618
1
1568-1603
1
15th century
1
1600 - 1868
1
1751-1837
1
1766-1836
1
1835-1904
1
1853-1870
1
1855-1920
1
1868-1912
1
1869-1960
1
1875-1971
1
1879-1941
1
1900 - 1999
1
1910-1945
1
1917-1945
1
1920-2001
1
1942-1943
1
1945-
1
more ...