Briefly describe what is the glorious tradition and history of joining the league

The China ****productivist Youth League (referred to as the ****Youth League) is a mass organization of advanced young people under the leadership of the Chinese ****productivist Party, a school for the vast number of young people to learn socialism with Chinese characteristics and ****productivism in practice, and a helper and reserve army of the Chinese ****productivist Party. Originally known as the Chinese Socialist Youth League, in August 1920 the Chinese ****anist Party first organized the Socialist Youth League in Shanghai. Before and after that, socialist youth leagues were organized all over the country in preparation for the founding of the Party.In July 1921, the C***nese Communist Party was founded.In May 1922, under the direct leadership of the Party, the Chinese Socialist Youth League held its first national congress in Guangzhou, and set up a unified organization for the whole country.In January 1925, in the third national congress of the League, it was decided that the Chinese Socialist Youth League was renamed the Chinese ****productivist Youth League.In November 1935, in order to unite all anti-Japanese youths against the aggression of Japanese imperialism, the Party decided to transform the organization of the ****Youth League into an anti-Japanese and salvation youth group of a national liberation nature. After the victory in the Anti-Japanese War, in order to meet the needs of the new situation and new tasks, the Party Central Committee proposed the establishment of a democratic youth league in October 1946. on New Year's Day 1949, the Party Central Committee also made a resolution to establish the China New Democratic Youth League. in April 1949, the first national congress of the New Democratic Youth League was held, announcing the official establishment of the China New Democratic Youth League. in May 1957, the The Third National Congress of the New Democratic Youth League of China was held, and it was decided to change the name of the League to the China ****productivist Youth League. The congress also decided to connect the congresses of the Socialist Youth League of China, the ****productivist Youth League and the New Democratic Youth League before and after liberation. "During the 10 years of the Cultural Revolution, the work of the Youth League was forced to come to a standstill; in October 1978, the 10th National Congress of the ****productivist Youth League of China was held; in December 1982, the 11th National Congress of the ****Youth League was held; in May 1988, the 12th National Congress of the ****Youth League was held; in May 1993, the 12th National Congress of the ****Youth League of China was held. In May 1993, the thirteenth national congress of the **** Youth League was held. in June 1998, the fourteenth national congress of the **** Youth League was held. in July 2003, the fifteenth national congress of the **** Youth League was held, and the current Central Committee of the League was elected.