Youth Day (青年節) in the People's Republic of China is on May 4. It was established in December 1949 by the Government Administration Council to commemorate the beginning of the May Fourth Movement in 1919. This day is known as May Fourth Movement,Chinese intellectual revolution and sociopolitical reform movement (1917–21)。

　　In 1915 young intellectuals inspired by Chen Duxiu began agitating for the reform and strengthening of Chinese society through acceptance of Western science, democracy, and schools of thought, one objective being to make China strong enough to resist Western imperialism.

　　On May 4, 1919, reformist zeal found focus in a protest by Beijing's students against the Versailles Peace Conference's decision to transfer former German concessions in China to Japan.

　　After more than a month of demonstrations, strikes, and boycotts of Japanese goods, the government gave way and refused to sign the peace treaty with Germany.

　　The movement spurred the successful reorganization of the Nationalist Party and gave birth to the Chinese Communist Party. See also Treaty of Versailles.

　　五四青年節的來歷

　　五四青年節是為紀念1919年5月4日中國學生愛國運動而設立的節日。

　　1919年5月4日，北京的青年學五四青年節的由來背景1918年11月11日，延續4年之久的第一次世界大戰以英、美、法等國的勝利和德、奧等國的失敗而宣告結束。1919年1月，獲勝的協約國在巴黎凡爾賽宮召開和平會議。中華民國作為戰勝國參加會議。中華民國代表在會上提出廢除外國在華特權，取消二十一條等正當要求，均遭拒絕。會議竟決定日本接管德國在華的各種特權。對這喪權辱國的條約，中華民國代表居然準備簽字承認。消息傳來，舉國震怒，群情激憤。以學生為先導的五四愛國運動就如火山爆發一般地開始了。

　　5月4日下午，北京3000多名學生在天安門前集會游行，他們高呼：“還我青島、外爭國權，內懲國賊”等口號，呼吁各界人士行動起來，反對帝國主義的侵略行徑，保衛中國的領土和主權。這一運動得到工人和各階層人士的聲援和支持，上海、南京等地的工人紛紛舉行罷工，商人罷市來示威。在全國人民的壓力下，北洋政府被迫釋放被捕學生，罷免曹汝霖等人的職務，并指令巴黎參加會議的代表拒絕在和約上簽字。