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
National Grandparents Day National Grandparents Day National Grandparents Day is a secular holiday celebrated in various countries, with official recognition in some, and occurring on various days of the year, either as one holiday or sometimes as a separate Grandmothers' Day and Grandfathers' Day (for the first time Grandma's Day was celebrated in Poland in 1965,"see below for dates by country"). In the United States, Marian McQuade has been recognized nationally by the United States Senate – in particular by Senators Jennings Randolph; and Robert Byrd – and by President Jimmy Carter, as the founder of National Grandparents Day. McQuade made it her