The first foreigner to become a samurai was an African slave.
26
In Japan, watermelons are grown into the shape of a square so they are easier to stack and transport.
108
Sleeping on the job is acceptable in Japan. It is viewed as exhaustion from working hard. Some people fake it to look committed to their job.
57
The Japanese, on average, are the shortest people.
320
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19