Era
20th century
94
19th century
69
Tokugawa period, 1600-1868
52
1600-1868
48
Edo period, 1600-1868
30
1945-
26
1975
26
1939-1945
21
Meiji period, 1868-1912
19
17th century
18
Early works to 1800
14
1970
13
1600 - 1868
12
1939 - 1945
11
21st century
11
To 1800
11
18th century
10
1980
9
Since 1945
9
1600-1899
8
1800-1899
8
1868-
8
Cenozoic
8
1990
7
16th century
6
1794-1858
6
1797-1858
6
Census, 1970
6
Quaternary
6
Shōwa period, 1926-1989
6
Since 1868
6
To 1868
6
1745-1818
5
1868-1912
5
Bombardment, 1945
5
Period of civil wars, 1480-1603
5
Shōwa period, 1926-1989
5
active 1750
5
1884-1955
4
1895-1945
4
1900-1999
4
1926-1989
4
1945
4
1945-1989
4
Allied occupation, 1945-1952
4
From 2 million years ago
4
Neogene
4
Restoration, 1853-1870
4
To 1500
4
-1554?
3
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