said from the name that, in the world called national day or national day has china, france and so on approximately 40 countries; called independent date or independent festival has american, mexican, philippine, the burmese ten-day period and so on approximately 60 countries, was called republican date or republic date has countries and so on the yugoslavia, zaire, iceland; called revolutionary festival has the former u.s.s.r, albania, hungary; called federation establishment date has switzerland; called union date has tanzania; also some directly adds on the date by the country's name, like australian date and pakistani date.

said from the date meaning that, the world including our country, approximately some 30 countries take founds a nation japan as a national day; some are take the constitution promulgation date as the national days, like federal republic of germany; some take revolutionizes the revolt date as the national day, like france; some take the head of state birthday as the national day, like countries and so on japan, thailand, holland, denmark, england. interesting is, these countries along with king, the emperor of japan or queen's replacement change the national day the date.