National day Day may be celebrated any day between 15 April and 15 May. Another example is Thailand which celebrates the birthday of the king on 28 July. This date will change on the accession of the heir to the throne. Most national days can be categorized in two large blocks: Denmark and the United Kingdom are among the few countries that do not have designated national days (though Constitution Day has many of the same features of a national day in Denmark's case). Importance attached to the national day as well as the degree to which it is celebrated vary greatly
Heroes' Day Heroes' Day Heroes' Day or National Heroes' Day may refer to a number of commemorations of national heroes in different countries. It is often held on the birthday of a national hero or heroine, or the anniversary of their great deeds that made them heroes. National Heroes Day in Angola is a holiday in Angola on 17 September, the birthday of the national hero Agostinho Neto. National Heroes Day in the Bahamas has been a public holiday since 2013. It replaced Discovery Day, which celebrated the arrival of Christopher Columbus to the Americas. National Heroes' Day is a public holiday