The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
Japan's capital Tokyo means "Eastern Capital".
1
Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
26
Japan has the most vending machines in the world (5.52 million) which is more than the population of New Zealand.
7
The first foreigner to become a samurai was an African slave.
26