History: Team A

Team A is AKB48's 1st team. Currently (October 2019) the team has 20 members and Yim Dayoung is the captain.

2005[]

December 5 - Team A is formed with 18 girls (Original Team A): Bae Woohee, Jeon Hyojung, Jessica Jung, Jung Hana, Kang Minkyung, Kang Soyul, Kim Hyojung, Kim Jungah, Kim Taeyeon, Lee Haeri, Lee Jihyun, Lee Jooyeon, Moon Hyunah, Park Bom, Rebekah Kim, Ryu Sera, Sandara Park, Son Gain

December 8 - Shonichi of Team A 1st Stage

2006[]

March 31 - Senshuuraku of Team A 1st Stage
March 31 - Kim Hyojung and Son Gain graduated from AKB48
April 15 - Shonichi of Team A 2nd Stage
August 11 - Senshuuraku of Team A 2nd Stage
August 20 - Shonichi of Team A 3rd Stage

December - Jeon Hyosung, Jung Hana and Park Bom graduated from AKB48

2007[]

January 25 - Senshuuraku of Team A 3rd Stage
January 25 - Rebekah Kim graduated from AKB48
February 25 - Shonichi of Team A 4th Stage
June 25 - Ryu Sera graduated from AKB48
June 26 - Senshuuraku of Team A 4th Stage
November 30 - Kim Jungah graduated from AKB48

2008[]

March 26 - Kim Hyunah promoted
April 15 - Kwon Mina promoted
April 20 - Shonichi of Team A 4th Stage's Revival
July 13 - Julianne Alferi promoted
July 30 - Jeong Eunji promoted
October 11 - Senshuuraku of Team A 4th Stage's Revival
October 11 - Sandara Park, Lee Haeri, Kang Minkyung, and Moon Hyunah graduated from AKB48
October 19
- Shonichi of Team A 5th Stage
- Shin Hyejeong promoted
December 29 - Lee Sunmi and Son Naeun promoted

2009[]

February 27 - Seo Jisu promoted
April 26 - Krystal Jung promoted

August 23 - 2009 Team Shuffle (Jessica Team A)
- Bang Minah, Euna Kim, Gong Minzy, Heo Solji, Jessica Jung, Kang Soyul, Kim Mihyun, Kim Taeyeon, Kwon Nara, Lee Jooyeon, Noh Yiyoung, Park Gyuri, Park Jiyeon, Seo Eungyo, Seo Yuna, Woo Hyerim
  - Jessica Jung chosen as the captain of the team
  - Euna Kim and Kim Mihyun promoted
  - Bang Minah, Gong Minzy, Heo Solji, Kwon Nara, Noh Yiyoung, Park Gyuri, Park Jiyeon, Seo Eungyo, Seo Yuna, Woo Hyerim transferred to Team A
  - Kim Hyunah, Krystal Jung, Lee Jihyun, Lee Sunmi transferred to Team K
  - Bae Woohee, Jeong Eunji, Julianne Alferi, Kwon Mina, Seo Jisu, Shin Hyejeong, Son Naeun transferred to Team B

2010[]

May 27 - Senshuuraku of Team A 5th Stage
July 27 - Shonichi of Team A 6th Stage
August 1 - Park Gyuri graduated
August 24 - Gong Minzy graduated
November 21 - Oh Seunghee promoted

2011[]

June 16 - Park Jiyeon graduated
December 10 - Kim Taeyeon graduated

2012[]

February 23 - Lee Jooyeon graduated
March 23 - Jung Eunbi, Kim Chungha, Lim Nayoung, Liu Xiening promoted
August 24 - Tokyo Dome Team Shuffle (Boram Team A)
- Chang Seungyeon, Choi Yujin, Heo Solji, Hwang Eunbi, Jang Yeeun, Jeon Boram, Jeon Jiwoo, Jeong Eunji, Ji Suyeon, Kang Soyul, Kim Chanmi, Kim Jiho, Kim Jiyeon, Kim Minkyung, Kim Nayoung, Kim Sojung, Krystal Jung, Lee Kaeun, Lim Nayoung, Oh Seunghee, Seo Eungyo, Seo Hyerin, Seo Yuna, Wendy Son
  - Jeon Boram chosen as captain of the Team
  - Chang Seungyeon, Choi Yujin, Kim Minkyung promoted
  - Hwang Eunbi, Jang Yeeun, Jeon Boram, Jeon Jiwoo, Jeong Eunji, Ji Suyeon, Kim Chanmi, Kim Jiho, Kim Jiyeon, Kim Nayoung, Kim Sojung, Krystal Jung, Lee Kaeun, Seo Hyerin, Wendy Son transferred to Team A
  - Euna Kim, Kim Chungha, Kwon Nara, Liu Xiening, Noh Yiyoung transferred to Team K
  - Jung Eunbi, Kim Mihyun, Woo Hyerim transferred to Team B
  - Jessica Jung graduated from AKB48
October 29 - Senshuuraku of Team A 6th Stage
November 2 - Shonichi of Team A 1st Waiting Stage
November 30 - Heo Solji graduated from AKB48
December 27 - Seo Eungyo resigned from AKB48

2013[]

April 28 - (AKB48 Group Rinji Soukai)
- Choi Yujin and Kim Chanmi graduated from AKB48
May 3 - Kim Jiyeon graduated from AKB48
June 13 - Hwang Eunbi graduated from AKB48
July 22 - Jeon Boram graduated from AKB48
September 15 - Krystal Jung, Lim Nayoung and Seo Hyerin graduated from AKB48
October 12 - Chang Seungyeon graduated from AKB48

2014[]

February 24 - AKB48 Group Daisokaku Matsuri (Soyul Team A)
- Ahn Huiyeon, Ahn Somyi, Bae Juhyun, Hyun Seunghee, Jeon Minju, Jung Eunbi, Jung Eunwoo, Kang Siwon, Kang Soyul, Kang Yebin, Ki Huihyeon, Kim Mihyun, Kim Sohye, Kim Sojung, Kim Taeha, Kwon Chaewon, Kyla Massie, Lee Jinsol, Lee Saerom, Liu Xiening, Matsumoto Chikako, Oh Seunghee, Seo Jisu
  - Kang Soyul chosen as the captain of the Team
  - Bae Juhyun chosen as the vice-captain of the Team
  - Ahn Somyi, Kim Taeha, Kyla Massie, Lee Jinsol promoted
  - Ahn Huiyeon, Bae Juhyun, Hyun Seunghee, Jeon Minju, Jung Eunbi, Jung Eunwoo, Kang Yebin, Ki Huihyeon, Kim Mihyun, Kwon Chaewon, Lee Saerom, Liu Xiening and Seo Jisu transferred to Team A
  - Jeon Jiwoo, Kim Minkyung and Lee Kaeun transferred to Team K
  - Jeong Eunji and Kim Jiho transferred to Team B
  - Jang Yeeun and Kim Nayoung transferred to Team 4
  - Ji Suyeon transferred to Team BII
  - Matsumoto Chikako transferred to AKB48 (Team A)
April 21
- Hyun Seunghee graduated from AKB48
- Senshuuraku of Team A 1st Waiting Stage
April 25 - Shonichi of Team A 5th Stage's Revival
September 29 - Jung Eunbi and Ki Huihyeon graduated from AKB48
October 3 - Kwon Chaewon graduated from AKB48

2015[]

January 2 - Kim Sojung graduated from AKB48
March 26 - AKB48 Spring Shuffle 2015 (Kaeun Team A)
- Ahn Huiyeon, Bae Juhyun, Elkie Chong, Kang Siwon, Kang Soyul, Kim Dasom, Kim Mihyun, Kim Minkyung, Kim Seokyoung, Kim Sohee, Kim Sohye, Kim Yerim, Lee Haein, Lee Hyeri, Lee Kaeun, Lee Saerom, Matsumoto Chikako, Oh Seunghee, Seo Jisu, Shin Suhyun, Woo Hyerim
  - Lee Kaeun chosen as the captain of the Team
  - Bae Juhyun chosen as the vice-captain of the Team
  - Elkie Chong, Kim Dasom, Kim Minkyung, Kim Seokyoung, Kim Sohee, Kim Yerim, Lee Haein, Lee Hyeri, Lee Kaeun, Shin Suhyun, Woo Hyerim transferred to Team A
  - Ahn Somyi, Jeon Minju, Kim Taeha, Liu Xiening transferred to Team K
  - Jung Eunwoo and Kang Yebin transferred to Team B
  - Kyla Massie and Lee Jinsol transferred to Team 4
July 14 - Elkie Chong graduated from AKB48
August 4 - Ahn Huiyeon graduated from AKB48
August 23 - Senshuuraku of Team A 5th Stage's Revival
December 23 - Oh Seunghee graduated from AKB48

2016[]

February 10 - Shonichi of Team A 7th Stage
- Hiwatashi Yui promoted
March 15 - Lee Haein graduated from AKB48
April 8 - Kang Soyul graduated from AKB48
August 29 - Kim Dasom and Lee Hyeri graduated from AKB48
December 24 - Lee Saerom graduated from AKB48
December 26 - Seo Jisu graduated from AKB48

2017[]

March 18 - Woo Hyerim graduated from AKB48
March 30 - Bae Juhyun graduated from AKB48
April 19 - Kim Sohee graduated from AKB48
June 26 - Kim Mihyun graduated from AKB48
December 8 - AKB48 12th Anniversary Shuffle (Dayoung Team A)
- Channasorn Sajakul, Cho Haseul, Cho Hyeyeon, Cho Miyeon, Huang EnRu, Jang Yeeun, Kang Lena, Kang Siwon, Kim Doyeon, Kim Sohye, Kim Yerim, Lee Kaeun, Lee Seoryoung, Lee Yeonwoo, Oh Hayoung, Okabe Rin, Park Eunjo, Park Siyeon, Shitao Miu, Yim Dayoung, Yoo Jeongin
  - Yim Dayoung choosen as the captain of the Team
  - Cho Hyeyeon, Park Eunjo and Yoo Jeongin promoted
  - Cho Haseul, Kang Lena, Lee Seoryoung, Okabe Rin and Shitao Miu to have concurrent positions
  - Channasorn Sajakul, Cho Miyeon, Huang EnRu, Kim Doyeon, Jang Yeeun, Lee Yeonwoo, Oh Hayoung, Park Siyeon and Yim Dayoung transferred to Team A
  - Kim Seokyoung, Matsumoto Chikako and Shin Suhyun transferred to Team K
  - Hiwatashi Yui and Kim Minkyung transferred to Team B

2018[]

April 29 - Kim Yerim graduated from AKB48
August 10 - Kang Siwon graduated from AKB48
August 28 - Chanasorn Sojakul graduated from AKB48
October 1 - Lee Yeonwoo graduated from AKB48
December 8 - Choi Jisu, Heo Yoonjin, Kang Hyewon, Kim Yeonhee promoted
December 22 - Cho Hyeyeon graduated from AKB48

2019[]

May 31 - Kim Doyeon graduated from AKB48
July 10 - Cho Miyeon transferred to CGM48
July 29 - Heo Yoonjin graduated from AKB48
August 2 - Park Siyeon graduated from AKB48
September 12 - Sato Minami promoted
October 5 - Morohashi Sana and Otani Emiri transferred to Team A