Although foreigners may use middle names in Japan, middle names for the Japanese themselves are completely unheard of in Japan, and documentation such as forms, passports, and family registries (equivalent to marriage and birth certificates) have no place to write a middle name.
The only continent with no active volcanoes is Australia.
The Yamato dynasty of Japan traces its origins to 660 A.D., making them the oldest continuous hereditary monarchy in the world.
There are no rivers in Saudi Arabia.
Canada has more lakes than any other country.