Team H is HKT48's 1st Team. Currently the Team has 13 members and Toyonaga Aki is the captain.
2012
- March 4 - Team H is formed with 16 girls: Anai Chihiro, Ueki Nao, Kumazawa Serina, Kodama Haruka, Komori Yui, Shimono Yuki, Sugamoto Yuko, Tanaka Natsumi, Taniguchi Airi, Nakanishi Chiyori, Matsuoka Natsumi, Miyawaki Sakura, Murashige Anna, Motomura Aoi, Moriyasu Madoka, Wakatabe Haruka
- March 4 - Shonichi of Team H 1st Stage
- July 5 - Sashihara Rino join Team H, now with 17 members
- August 18 - Komori Yui, Sugamoto Yuko and Taniguchi Airi graduated from HKT48
- November 1 - Ota Aika transferred to Team H
2013
- February 17 - Senshuuraku of Team H 1st Stage
- March 1 - Shonichi of Team H Waiting Stage
2014
- January 11 - HKT48 Team Shuffle (Anai Team H) announced
- February 24 - AKB48 Group Daisokaku Matsuri
- Tanaka Miku and Yabuki Nako promoted
- March 21 - HKT48 Kyushu 7 Prefecture Tour Fukuoka Prefecture
- Ui Mashiro and Ueno Haruka promoted
- April 17 - Senshuuraku of Team H 1st Waiting Stage
- April 23 - Shonichi of Team H 2nd Stage
- October 30 - Senshuuraku of Team H 2nd Stage
- November 9 - Shonichi of Team H 3rd Stage
2016
- January 10 - Umemoto Izumi graduated from HKT48
- March 31 - Senshuuraku of Team H 3rd Stage
- May 3 - Shonichi of Team H 4th Stage
- July 11 - Matsuoka Natsumi chosen as new captain of Team H (Matsuoka Team H)
- July 30 - Anai Chihiro graduated from HKT48
2017
- February 5 - Wakatabe Haruka graduated from HKT48
- May 8 - Okamoto Naoko graduated from HKT48
- June 12 - Inoue Yuriya graduated from HKT48
- November 26 - Toyonaga Aki promoted
- December 27 - Kodama Haruka went on hiatus
2018
- March 21 - Ui Mashiro graduated from HKT48
- April 20 - Yamada Marina graduated from HKT48
- May 21 - Yamamoto Mao graduated from HKT48
- September 2 - Team H 4th Stage Senshuuraku
- September 10 - Team H 5th Stage Shonichi
- October 29 - Yabuki Nako goes on hiatus
- November 26 - Ito Yueru and Watanabe Akari promoted
2019
- April 28 - Sashihara Rino graduated from HKT48
- June 9 - Kodama Haruka graduated from HKT48
- June 17 - Komada Hiroka graduated from HKT48
2020
- January 11 - Tanaka Natsumi graduated from HKT48
2021
- March 31 - Kamijima Kaede and Mizukami Rimika promoted
- April 29 - Yabuki Nako returns
2022
- January 9 - Kamijima Kaede graduated from HKT48
- January 13 - Sakamoto Rino promoted
- February 26 - Ueno Haruka graduated from HKT48
- April 3 - Tashima Meru and Mizukami Rimika graduated from HKT48
- August 31 - Toyonaga Aki chosen as new captain of Team H (Toyonaga Team H)
- September 4 - Matsuoka Natsumi and Kojina Yui graduated from HKT48
- December 5 - Sakaguchi Riko graduated from HKT48
2023
- February 1 - HKT48 11th Anniversary Team Shuffle (Toyonaga Team H)
- Mogami Nanaka promoted
- Ichimura Airi, Ishibashi Ibuki, Unjo Hirona, Kawahira Hijiri, Fuchigami Mai, Aramaki Misaki, Oda Ayaka, Kurihara Sae, Sakai Moeka and Yamauchi Yuna transferred to Team H
- March 26 - Watanabe Akari graduated from HKT48
- April 1 - Yabuki Nako graduated from HKT48
- August 2 - Yanase Reia promoted
- October 5 - Unjo Hirona graduated from HKT48
2024
- January 5 - Kitagawa Hiiro and Shibui Mina promoted
- May 1 - Fujino Kokoha promoted
- May 11 - Sakai Moeka graduated from HKT48
- July 23 - Ishimatsu Yuina promoted
- December 27 - Aramaki Misaki graduated from HKT48
2025
- January 27 - Mogami Nanaka graduated from HKT48
- March 8 - Ito Yueru graduated from HKT48
- March 22 - Kawahira Hijiri graduated from HKT48
