According to Wikipedia, the National Day is a designated date on which celebrations mark the nationhood of a non-sovereign country. This nationhood can be symbolized by the date of becoming a republic, of becoming independent, or a significant date for a patron saint or a ruler. The day is not always called by the name National Day but can be considered as one. Often it is also a national holiday. Some countries have more than one National Day. Pakistan has three, for example, none of which is named the National Day. In the United States of America, its Independence Day, commonly known as the Fourth of July, is the country's National Day and is a federal holiday. It commemorates the approval and adoption of the Declaration of Independence on July 4, 1776, when the then colonies declared independence from the United Kingdom. In a remarkable coincidence, both John Adams and Thomas Jefferson, the only signers of the Declaration of Independence later to serve as US Presidents, died on the same day: July 4, 1826, which was the 50th anniversary of the Declaration. Whatever your plans, have a happy day and relish your freedom.