National Day is a national statutory holiday to commemorate the country itself. They are usually the independence of the country, the signing of the constitution, the birthday of the head of state or other commemorative anniversaries with great significance, and some are the Saint's Day of the patron saint of this country. In 2023, the Mid-Autumn Festival will be combined with the National Day holiday, with 8 days off from September 29th to June 6th. 10. During the National Day, expressway is free to pass.

The term "National Day" originally refers to a national celebration, which was first seen in the Western Jin Dynasty. Lu Ji, a writer in the Western Jin Dynasty, once recorded in the article "On the Five Permanent Members" that National Day is only beneficial, and the main worry is not harmful. In the feudal era of China, the national celebration was nothing more than the emperor's accession to the throne and his birthday, so in ancient China, the emperor's accession to the throne and his birthday were called National Day. Today, the anniversary of the founding of the country is called National Day.

Social customs and habits

On National Day, all countries should hold different forms of celebration activities to enhance the patriotic consciousness of their own people and enhance the cohesion of the country. Countries should also congratulate each other. Every five or ten years, some celebrate the National Day. To celebrate the National Day, governments usually hold a National Day reception, presided over by the head of state, government or foreign minister, and invite local ambassadors and other important foreign guests to attend.

However, some countries do not hold receptions, such as the United States and Britain. National Day is a feature of modern nation-state, which appears with the emergence of modern nation-state and becomes particularly important. It has become a symbol of an independent country, reflecting the country's national system and polity.