Indeed, the majority of the population of this country is born in one day, but an error occurred during the census conducted by the government in 1998 is all the birth dates to the 31 December.
The event took place in Mauritania, the Mauritanian joke on themselves as the only people in the world who "was born all in one day."
This error involved, too, the first Mauritanian minister Yahya Ould Hdman and most of the members of the government, while very few exceptions recorded.
Justifying the Mauritanian not change the default birth dates being registered on their advanced degrees in ruling over them leaves Real Estate, and say they are in case they changed the date of birth on the national card, it would cause a contradiction with the other papers.