Era
20th century
13
Bombardment, 1945
4
Heian period, 794-1185
3
Tokugawa period, 1600-1868
3
1868-
2
1919-2006
2
1926-1945
2
1941-
2
19th century
2
Allied occupation, 1945-1952
2
1159-1189
1
1584-1645
1
1644-1694
1
16th century
1
17th century
1
1827-1898
1
1850-1904
1
1863-1957
1
1909-1948
1
1912-1945
1
1923-1935
1
1923-1955
1
1923-1994
1
1923-1996
1
1924-2018
1
1925-1979
1
1925-1995
1
1930-1989
1
1931
1
1933-
1
1945-
1
1945-1989
1
1954-
1
21st century
1
794-1185
1
Period of civil wars, 1480-1603
1
To 1600
1