History: Team 4

Team 4 is AKB48 4th Team. Currently (October 2019) the Team has 19 members and Lee Naeun is the captain.

2010[]

December 8 - Ahn Huiyeon, Bae Yubin, Jung Mimi, Ki Heehyun, Kim Nayoung, Kim Seolhyun, Kim Sojung, Seo Hyerin, Shin Bora, Shin Suhyun are promoted to a unknown Team

February 12 - Bae Juhyun promoted
May 30 - Wendy Son promoted
June 6 - Team 4 is officially formed
June 24 -
- Hwang Eunbi and Kim Yewon promoted
- Ahn Huiyeon choosen as captain of the Team
July 2 - Bae Yubin graduated from AKB48
August 3 - Shin Bora graduated from AKB48
August 16 - Jung Mimi graduated from AKB48
October 10 - Shonichi of Team 4 1st Stage
- Jung Chaeyeon promoted

January 4 - Jung Chaeyeon graduated from AKB48
March 13 - Kang Kyungwon, Kim Dasom, Lee Hyeri, Lee Yeonwoo, Oh Hayoung promoted
August 24 - Tokyo Dome Team Shuffle (Team 4 official disband)
- Hwang Eunbi, Kim Nayoung, Kim Sojung, Seo Hyerin, Wendy Son transferred to Team A
- Bae Juhyun, Kang Kyungwon, Ki Huihyeon, Kim Dasom, Kim Yewon, Lee Hyeri, Lee Yeonwoo, Shin Suhyun transferred to Team K
- Ahn Huiyeon, Kim Seolhyun, Oh Hayoung transferred to Team B
October 25 - Senshuuraku of Team 4 1st Stage

August 24 - Team 4 is formed with 22 members: Choi Moonjoo, Choi Yewon, Go Junghee, Jeon Somi, Jeong Yein, Jung Haerim, Kang Mina, Kim Sejeong, Kim Seokyoung, Kim Sohee, Kim Sihyeon, Kim Yewon, Kwon Chaewon, Lee Haein, Lee Saerom, Lee Seheun, Park Gaeul, Park Siyeon, Ryu Sujeong, Song YuQi, Yim Dayoung, Zhou Jieqiong
- Kim Sohee choosen as captain of the Team.
November 3 - Shonichi of Team 4 2nd Stage

February 24 - AKB48 Group Daisokaku Matsuri (Sohee Team 4)
- Choi Moonjoo, Cho Miyeon, Choi Yewon, Jang Yeeun, Jeong Yein, Jung Haerim, Kang Mina, Kim Nayoung, Kim Sejeong, Kim Sihyeon, Kim Sohee, Lee Seheun, Lee Suji, Lee Yeonwoo, Nancy Jewel McDonie, Oh Hayoung, Park Gaeul, Park Siyeon, Ryu Sujeong, Song YuQi, Yang BingYi, Yim Dayoung, Zhou Jieqiong
  - Kim Sohee choosen as the captain of the Team
  - Kim Nayoung choosen as the vice-captain
  - Nancy Jewel McDonie promoted
  - Cho Miyeon, Jang Yeeun, Kim Nayoung, Lee Suji, Lee Yeonwoo, Oh Hayoung transferred to Team 4
  - Kwon Chaewon and Lee Saerom transferred to Team A
  - Jeon Somi, Kim Seokyoung, Kim Yewon transferred to Team K
  - Lee Haein transferred to Team B
  - Go Junghee transferred to Team N
  - Yang BingYi transferred to AKB48 (Team 4)
April 15 - Senshuuraku of Team 4 2nd Stage
April 24 - Shonichi of Team 4 3rd Stage
August 29 - Yang BingYi graduated from AKB48

March 26 - AKB48 Spring Shuffle 2015 (Haerim Team 4)
- Choi Moonjoo, Choi Yewon, Jang Yeeun, Jung Haerim, Jung Hayoon, Jung Sara, Kim Sihyeon, Kim Sookyung, Kyla Massie, Lee Jinsol, Lee Juyeon, Lee Seheun, Lee Suji, Lim Jungmin, Nancy Jewel McDonie, Park Gaeul, Park Siyeon, Ryu Sujeong, Seo Soojin, Song YuQi, Yang Yena
  - Jung Haerim choosen as the captain of the Team
  - Lee Suji choosen as the vice-captain of the Team
  - Jung Hayoon, Jung Sara, Kim Sookyung, Kyla Massie, Lee Jinsol, Lee Juyeon, Lim Jungmin, Seo Soojin, Yang Yena transferred to Team 4
  - Kim Sohee transferred to Team A
  - Cho Miyeon, Jeong Yein, Kang Mina, Zhou Jieqiong transferred to Team K
  - Kim Nayoung, Kim Sejeong, Lee Yeonwoo, Oh Hayoung, Yim Dayoung transferred to Team B
August 24 - Senshuuraku of Team 4 3rd Stage
September 4 - Lee Juyeon graduated from AKB48
October 29 - Park Gaeul graduated from AKB48
December 3 - Shonichi of Team 4 4th Stage

May 4 - Ryu Sujeong graduated from AKB48
July 8 - Choi Yewon graduated from AKB48
December 8 - AKB48 12th Anniversary Shuffle (Naeun Team 4)
- Bae Sungyeon, Im Yeojin, Jeon Heejin, Jo Sukyung, Jung Sara, Kang Soeun, Kim Sookyung, Kim Yewon, Lee Naeun, Machi Otoha, Matsumoto Hinata, Min Karin, Nancy Jewel McDonie, No Hyojung, Park Haelin, Wang Yireon, Yamane Suzuha, Yamauchi Mizuki, Yeh Shuhua
  - Lee Naeun choosen as the captain of the Team
  - Kang Soeun, No Hyojung, Yamane Suzuha, Yamauchi Mizuki, Yeh Shuhua promoted
  - Im Yeojin, Jeon Heejin, Min Karin, Park Haelin, Wang Yireon to have concurrent positions in Team 4
  - Jang Yeeun and Park Siyeon transferred to Team A
  - Kim Sihyeon, Song YuQi and Yang Yena transferred to Team K
  - Jung Haerim, Jung Hayoon, Lee Suji, Lim Jungmin and Seo Soojin transferred to Team B