- 20 - STAR48 held a press conference in Beijing, announcing the establishment of SNH48 sister groups BEJ48 and GNZ48.
- 29 - GNZ48 Theater was officially opened; on the same day, Team G held the premiere of Team G 1st Stage .
- 30 - Shonichi of Team NIII 1st Stage "Boku no Taiyou".
- 1 - Team G announced the following:
- 2 - Team NIII announced the following:
- 14 - Shonichi ofTeam G 2nd Stage "Xīn de Lǚchéng"
- 23 - 18 first generation members were promoted and formed a new team, Team Z.
- 13 - 3rd EP I.F was released.
- 24 - together with SNH48 Group, the 5th EP "Sweet Ceremony" was released.
- 18 - together with SNH48 Group, the 6th EP "Holding Up" was released.
- 6 - GNZ48’s 1st photobook Ni suo bu zhidao de... was released.
- 29 - Announcements:
- Huang ChuYin was promoted to Team G, Wu YuFei was promoted to Team NIII and Ye XiaoMeng was promoted to Team Z, and the promotion was officially completed on June 1st.
- Zeng AiJia and Gao YuanJing resigned as Team G captain and co-captain. Luo HanYue was appointed as Team G's captain
- Announced the new original stages "Miss" series, namely Team G's "Victoria.G", Team NIII's "Fiona.N", and Team Z's "Mia.Z".
- 14 - Team G member Zhu YiXin had committed serious violations and was downgraded to trainee.
- 6 - Shonichi of Team NIII 3rd Stage "Fiona.N"
- 8 - Announcements:
- GNZ48's Trainee Zhu YiXin was promoted to a Team G, and the promotion was officially completed on August 10.
- 29 - 8th EP "HERO" was released.
- 1 to 4 - GNZ48 held their "Third anniversary week" and announced the following:
- 13 - GNZ48 implemented the new Class 4 and Class 8 "teams" while retaining the 3 existing teams. In the future, the members will perform either in teams or classes.