History: Team SII
2013
- November 11 - Team SII is formed with 24 girls: Chen GuanHui, Chen Si, Dai Meng, Dong ZhiYi, Gu XiangJun, Jiang Yun, Kong XiaoYin, Li YuQi, Miyazawa Sae, Mo Han, Qian BeiTing, Qiu XinYi, Sun Rui, Shen ZhiLin, Suzuki Mariya, Tang Min, Wen JingJie, Wu ZheHan, Xu ChenChen, Xu JiaQi, Xu ZiXuan, Yuan YuZhen, Zhao JiaMin, Zhang YuGe
- November 23 - Shonichi of Team SII 1st Stage
- December 12 - Senshuuraku of Team SII 1st Stage
- December 27 - Shonichi of Team SII 2nd Stage
2014
- April 2 - Dong ZhiYi, Gu XiangJun and Tang Min graduated from SNH48
- May 16 - Senshuuraku of Team SII 2nd Stage
- May 30 - Shonichi of Team SII 3rd Stage
- September 5 - Gong XiaoHe, Yuan DanNi, Zhao Ye, and Zeng LinYu promoted to Team SII
- November 11 - Senshuuraku of Team SII 3rd Stage
- November 25 - Zeng LinYu graduated from SNH48
2015
- February 13 - Wu ZheHan demoted to Kenkyuusei
- March 17 - Gong XiaoHe graduated from SNH48
- May 6 - Wu ZheHan promoted to Team SII
- September 13 - Liu LiWei, Shen YueJiao, Xu JiaLi promoted to Team SII