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 public holiday; observed with military and religious festivities at the monuments dedicated to the national heroes (such as the Tomb of the Unknown Soldier). Heroes Day is a public holiday in Rwanda on 1 February. National Heroes Day is a holiday in Saint Kitts and Nevis that is observed annually on 16 September. It honours individuals who have made significant contributions to the advancement of the nation. There are currently five national heroes: Robert Llewellyn Bradshaw, Paul Southwell, Joseph Nathaniel France, Simeon Daniel and Kennedy Simmonds. The holiday was established in 1996 by the Saint Kitts and Nevis Federal Parliament