History: Team B

Team B was AKB48 3rd Team. It was formed in October 2006 and disbanded on October 16, 2023.

2006

October - Team B is formed with 13 girls (Original Team B): Inoue Naru, Ota Aika, Kashiwagi Yuki, Katayama Haruka, Kikuchi Ayaka, Saotome Miki, Tanabe Miku, Nakagawa Haruka, Nakaya Sayaka, Noguchi Reina, Matsuoka Yuki, Yonezawa Rumi, and Watanabe Mayu.
December - Urano Kazumi, Hirajima Natsumi and Watanabe Shiho transfered to Team B

January 27 - Hirajima Natsumi graduates from AKB48
March 24 - Watanabe Miyuki to have a concurrent position in Team B
August 24 - Tokyo Dome Team Shuffle (Umeda Team B)
- Umeda Ayaka choosen as captain of the Team
- Ishida Anna to habe a concurrent position in Team B
- Ichikawa Miori, Iwasa Misaki, Oba Mina, Umeda Ayaka, Oya Shizuka, Katayama Haruka, Kato Rena, Kojima Haruna, Shimazaki Haruka, Takeuchi Miyu, Tanabe Miku, Nakamura Mariko, Nonaka Misato, Fujie Reina, Minegishi Minami and Yamauchi Suzuran transferred to Team B
- Kasai Tomomi, Sato Sumire, Sato Natsuki and Watanabe Mayu transferred to Team A
- Kitahara Rie, Kobayashi Kana, Chikano Rina, Sato Amina, Suzuki Shihori, Masuda Yuka and Miyazaki Miho transferred to Team K
- Suzuki Mariya transferred to SNH48 (Team Kaigai)

February 1 - Minegishi Minami demoted to Kenkyuusei
April 28 - Omori Miyuu promoted
- Ishida Anna's concurrent position in Team B revoked
- Takajo Aki to have concurrent position in Team B
June 3 - Komori Mika graduates from AKB48

February 24 - AKB48 Group Daisokaku Matsuri (Kuramochi Team B)
- Kuramochi Asuka choosen as the captain of the Team
- Oya Shizuka choosen as the vice-captain of the Team
- Owada Nana and Fukuoka Seina promoted
- Ikoma Rina and Tomonaga Mio to have concurrent positions in Team B
- Watanabe Miyuki's concurrent position revoked
- Izuta Rina, Uchiyama Natsuki, Umeta Ayano, Oshima Ryoka, Kuramochi Asuka, Takahashi Juri, Hashimoto Hikari, Hirata Rina and Watanabe Mayu transferred to Team B
- Katayama Haruka, Kojima Natsuki, Kojima Haruna, Shimazaki Haruka and Nakamura Mariko transferred to Team A
- Ishida Haruka, Iwasa Misaki and Nonaka Misato transferred to Team K
- Omori Miyuu and Kato Rena transferred to Team 4
- Yamauchi Suzuran transferred to Team S
- Oba Mina transferred to Team KII
- Fujie Reina transferred to Team M
- Ichikawa Miori and Umeda Ayaka transferred to Team BII
- Ogasawara Mayu and Nozawa Rena transferred to AKB48 (Team B)
- Takajo Aki became full Team B member
April 22 - Nonaka Misato graduates from AKB48
April 23 - Senshuuraku of Team B 1st Waiting Stage
April 28 - Shonichi of Team B 3rd Stage's Revival

March 26 - AKB48 Spring Shuffle 2015 (Kizaki Team B)
- Kizaki Yuria choosen as the captain of the Team
- Oshima Ryoka choosen as the vice-captain of the Team
- Sakaguchi Nagisa, Yabuki Nako and Watanabe Miyuki to have concurrent positions in Team B
- Ikoma Rina's concurrent position revoked
- Uchida Mayumi, Iwasa Misaki, Kato Rena, Kizaki Yuria, Kobayashi Kana, Kobayashi Marina, Tatsuya Makiho and Goto Moe transferred to Team B
- Oya Shizuka, Owada Nana, Ogasawara Mayu and Hirata Rina transferred to Team A
- Takajo Aki transferred to Team K
- Izuta Rina, Kawamoto Saya, Takahashi Juri, Tomonaga Mio, Natori Wakana and Nozawa Rena transferred to Team 4
July 7 - Hashimoto Hikari graduates from AKB48
August 17 - Kuramochi Asuka graduates from AKB48
August 27 - Senshuuraku of Team B 3rd Stage's Revival
December 26 - Shonichi of Team B 6th Stage

March 22 - Umeta Ayano graduated from AKB48
June 5 - Yokoshima Aeri graduated from AKB48
June 8 - Oshima Ryoka graduated from AKB48
June 23 - Tanabe Miku graduated from AKB48
September 27 - Nishikawa Rei and Yamabe Ayu promoted
September 30 - Kizaki Yuria graduated from AKB48
December 8 - AKB48 Team Shuffle 2017 (Takahashi Team B)
- Iwatate Saho, Ota Nao, Oya Shizuka, Okuhara Hinako, Kashiwagi Yuki, Kawahara Misaki, Kitazawa Saki, Kubo Satone, Kojima Natsuki, Sasaki Yukari, Sato Akari, Sato Shiori, Shimizu Maria, Takahashi Juri, Takita Kayoko, Takeuchi Miyu, Taniguchi Megu, Nakanishi Chiyori, Hattori Yuna, Hiwatashi Yui, Fukuoka Seina, Honda Hitomi, Yamabe Ayu, Yamamoto Ruka, Yoshikawa Nanase, Watanabe Mayu
  - Takahashi Juri choosen as the captain of the Team
  - Ota Nao, Okuhara Hinako, Kawahara Misaki, Sato Akari, Sato Shiori, Shimizu Maria, Hattori Yuna, Honda Hitomi, Yamamoto Ruka and Yoshikawa Nanase to have concurrent positions in Team B
  - Yabuki Nako's concurrent position revoked
  - Iwatate Saho, Oya Shizuka, Kitazawa Saki, Kubo Satone, Kojima Natsuki, Sasaki Yukari, Takahashi Juri, Takita Kayoko, Taniguchi Megu, Nakanishi Chiyori and Hiwatashi Yui transferred to Team B
  - Kato Rena, Goto Moe and Nishikawa Rei transferred to Team A
  - Sakaguchi Nagisa, Tatsuya Makiho and Ma Chia-Ling transferred to Team 4
December 26 – Watanabe Mayu graduated from AKB48

May 02 – Takahashi Juri graduated from AKB48
- Iwatate Saho appointed as the new captain (Iwatate Team B)
June 08 – Sato Shiori graduated from AKB48
September 7 – Saito Haruna and Otake Hitomi promoted