What is the relationship between "May 4th" and Youth Day and the anniversary of the founding of the Youth League?

There is no direct causal relationship or necessary connection between the May 4th Youth Day and the founding anniversary of the Youth League. It is the product of two different periods.

The May 4th Youth Day originated from China’s anti-imperialist and patriotic “May 4th Movement” in 1919. The May 4th Patriotic Movement was a thorough patriotic movement against imperialism and feudalism, and it was also the beginning of China’s new democratic revolution. the beginning of. In 1939, the Northwest Youth National Salvation Federation of the Shaanxi-Gansu-Ningxia Border Region designated May 4 as China Youth Day. Because those who participated in the patriotic movement were mainly patriotic young students, it has great historical and commemorative significance. This holiday is still used today.

In May 1922, under the direct leadership of the party, the Chinese Socialist Youth League held its first national congress in Guangzhou and established a unified national organization. In January 1925, at the Third National Congress of the League, it was decided to rename the Chinese Socialist Youth League to the Chinese Communist Youth League. It is the current *** Youth League.

The two are staggered in time, established for different reasons, and have no necessary connection or relationship.