Team BIII is BNK48's 1st Team. Currently (as of August 2023) the Team has 15 members, Hoop is the captain and Earn is the vice-captain.
2017[]
- December 24 - Team BIII is formed with 24 girls: Can, Cherprang, Izurina, Jaa, Jan, Jane, Jennis, Jib, Kaew, Kaimook, Kate, Korn, Mind, Miori, Mobile, Music, Namneung, Namsai, Noey, Orn, Pun, Pupe, Satchan, Tarwaan
2018[]
- February 28 - Jan graduated from BNK48
- May 12 - Shonichi of Team BIII 1st Stage
- August 26 - Can graduated from BNK48
2019[]
- June 10 - Izurina transferred to CGM48
- November 16 - BNK48 Team Shuffle 2019
- December 14 - Senshuuraku of Team BIII 1st Stage
- December 15 - Shonichi of Team BIII 1st Waiting Stage
2020[]
- February 21 - Senshuuraku of Team BIII 1st Waiting Stage
- March 26 - Mind demoted to Trainee
- June 11 - Juné announced her graduation.
- August 9 - Shonichi of Team BIII 2nd Stage
- December 4 - Kheng graduated from BNK48
2021[]
2022[]
- June 2 - Earn, Grace, Hoop, Mean, Yayee are promoted. Paeyah to have a concurrent position.
- October 30 - BNK48 & CGM48 Request Hour 2022
- December 21 - Jane, Jennis, Jib, Kaew, Kate, Korn, Noey, Piam and Pun graduated from BNK48.
2023[]
- August 6 - BNK48 vs CGM48 Concert "The Battle of Idols"
- December 31 - Miori graduated from BNK48.