(idiom) to have only a rough idea of something; to have a smattering of knowledge about a subject

December 9th Movement (1935), a series of student-led anti-Japanese demonstrations demanding that the Chinese government resist aggression

Refers to the coup on April 12th, 1927, led by Chiang Kai-shek against the communist party in Shanghai

The counterrevolutionary coup of April 12, 1927, in which Chiang Kai-shek's forces attacked the communists in Shanghai.

The massacre of April 12, 1927; the violent suppression of Communist Party organizations in Shanghai by the military forces of Chiang Kai-shek and the Kuomintang

World Freedom Day, a holiday formerly observed on January 23rd to commemorate the arrival of prisoners of war in Taiwan following the Korean War

The anti-communist coup of April 12, 1927, led by [[蒋介石|蔣介石|jiang3 jie4 shi2]]; often referred to as the [[反革命政变|反革命政變|fan3 ge2 ming4 zheng4 bian4]] or the [[四一二惨案|四一二慘案|si4 yi1 er4 can3 an4]] in Mainland China.

The Shanghai Incident of 1932; a conflict between the Republic of China and the Empire of Japan that began on January 28th when Japanese forces attacked the Zhabei District of Shanghai. Also known as the [[淞沪之战|淞滬之戰|song1 hu4 zhi1 zhan4]].