Yáng Kāihuì was the second wife of Mao Zedong, whom he married in 1920. She had three children with Mao Zedong: Mao Anying, Mao Anqing, and Mao Anlong. Her father was Yang Changji, the head of the Hunan First Normal School and one of Mao's favorite teachers.

1921 is a 2021 Chinese historical film directed by Huang Jianxin and Zheng Dasheng and starring Huang Xuan, Ni Ni, Wang Renjun and Liu Haoran. The film premiered in China on 1 July 2021, to commemorate the centennial year anniversary of the Chinese Communist Party.