In Japan, it is tradition for husbands to get a monthly allowance from their wives.
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The first foreigner to become a samurai was an African slave.
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The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
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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.
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Japan is the largest exporter of frog's legs.
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The Japanese, on average, are the shortest people.
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Japan's capital Tokyo means "Eastern Capital".
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