Girl's Generation history

Generally boyband / girlband membered 3-5 people. But, do you know if it's girls' generation first eleven instead of nine?
In 2005, SM Entertainment boyband mendebutkan it was super junior.lalu, SM Entertainment plans to form a girlband from super junior by collecting eleven talented trainee-trainee.
Formation 1
Members: Lee Yeon-hee, Hwang Bo-ra, bae Seok-bin, Zhang Liyin, Jessica Jung, Kim Hyo-yeon, Kwon Yu-ri, Choi Sooyoung, Im Yoona, Seo Ju-hyun, kim ye-jin.
Leader: Lee Yeon-hee (1988)
Unfortunately, this initial formation did not last long with the release of Lee Yeon-hee, Hwang Bo-ra, bae Seok-bin, Zhang Liyin, and ye-jin kim.
Although it does not debut with another trainee-trainee. now lee yeon-hee and Hwang Bo-ra known as actress Lee Yeon-hee in movie role millionaire first love, hello! Schoolgirl (where Sooyoung acts as a good friend). And the drama east of eden. While Hwang Bo-ra appeared in movies joomoonjin with super junior members. Kim kibum. Zhang Liyin own debut as a solo artist in 2006 ye-jin kim the youngest trainee. In this formation was as a trainee BC and briefly appeared in the music video (MV) a.mi.go shine.
Out: Lee Yeon-hee, Hwang Bo-ra, bae Seok-bin, Zhang Liyin, and ye-jin kim.
Formation 2
In: Seo Hyun-jin, park so-yeon, stella kim, who ha-jin, Lee Hwan-hee.
Members: Seo Hyun-jin, park so-yeon, Jessica Jung, Kim Hyo-yeon, Kwon Yu-ri, Choi Sooyoung, stella kim, Im Yoona, who ha-jin, Seo Ju-hyun, Lee Hwan-hee.
Leader: Seo Hyun-jin (1985).
In this formation, Seo Hyeon-jin who is the youngest member of the group SM (MILK), which has been dissolved is then chosen as the main vocalist. Park So-yeon is now a part of girlband T-ara as well as the main vocalist in this formation. Stella kim bloody Korean-American, other than as a main vocalist as the "face of the group" but, for some reason. SM Entertainment once again change this formation.
Out: seo-ji hyun, Lee Hwan-hee.
Formation 3
In: Kim Taeyeon, Stephanie Hwang.
Members: Park So-yeon, Kim Taeyeon, Jessica Jung, Stephanie Hwang, Kim Hyo-yeon, Kwon Yu-ri, Choi Sooyoung, stella kim, Im Yoona, janh ha-jin, Seo Ju-hyun.
Leader: park so-yeon (1987).
Formation is the most famous and netizens (internet netizens) started calling them as super girls. In fact, SM mendebutkan own plans for this formation. With Soyeon as leader and juhyun (Seohyun) as the youngest member. Main vocalist Taeyeon, Jessica, Stephanie (Tiffany), Soyeon, stella, and juhyun. Main dancer Hyoyeon, Sooyoung, Yoona, and Yuri. Then, the "image of chains" by stella, Jessica, Yoona, and Hajin.
The two new members (Kim Taeyeon and Stephanie Hwang) is, both discovered by SM in 2004. Taeyeon won the best singer award in 2004 BCE grand 8-year best annual contest. Soyeon also found after winning the same event in 2005.
Unfortunately, stella kim and Hajin which ruled out the reasons to focus on college. Stella returned to their countries of origin and studying in new York University (NYU), while Hajin further study in korea advanced institute of science and technology (KAIST). Unlike Hajin had lost contact with members of the girls generation, stella kim several times met with friends of his trainee's.
Out: stella kim, who Hajin.
Formation 4
In: lee soonkyu, Lee Hwanhee, Heo Chanmi.
Members: park so-yeon, Kim Taeyeon, Jessica Jung, Lee soonkyu, Stephanie Hwang, Kim Hyoyeon, kwon yu-ri, Choi Sooyoung, Im Yoona, Seo Ju-hyun, Lee Hwan-hee, Heo Chan-mi.
Leader: Park So-yeon (1987).
Soonkyu Lee, Lee Hwanhee, and Heo Chanmi is a new member in this formation. Soonkyu (sunny) entry talented staff recommendation from SM, ahyoomi (now known iconiq). Previously, soonkyu was a trainee in Wheesung entertainment but, unfortunately, the agency went bankrupt. Heo Chanmi is now known as a member and co-ed 5dolls (sub-unit of the co-ed) became the youngest member of this formation. Hwanhee Lee recruited back into the project.
But, Lee Hwanhee and Heo Chanmi removed from the group. Later, SM Entertainment's plans mendebutkan 10 trainees. However, due to hard training, park Soyeon decided to quit the group.
Two years later, Soyeon debuted as a member of T-ara at the core contents media (ccm). He said "first it was very tiring and I'm trying to work keras.sampai now, I'm still in touch with members of the girls were very happy girls generation.aku successful generation. Going forward, I will try my best as a member of T-ara. Although we will be competing against girls' generation, I expect it will be a healthy competition between us. "
A year later, Heo Chanmi debut as a member of a co-ed under the CCM with Soyeon. "I was a trainee for quite a long time. I also bepartisipasi in the recording for SNSD track and even completed the photoshoot. Since I was a horse, I was disappointed because I could not debut with them. But I understand because it has not been too long since I started training. I support the generation of girls and hope the best for them, "said Chanmi about traineenya times.
Out: park so-yeon, Lee Hwanhee, Heo Chanmi.
Formation end
Members: Kim Taeyeon, Jessica Jung, Lee soonkyu, Stephanie Hwang, Kim Hyoyeon, kwon yuri, Choi Sooyoung, Im Yoona, and Seo juhyun.
Leader: Kim Taeyeon (1989).
After 4 times of assembling the members, this is finally the end of the formations that we know. This group is called with so nyeo shi dae meaning "girl generation". Not surprisingly, the members did not like and was surprised by their name that sounds old-fashioned and less sell it. Even Korean citizens themselves confused by the strange name choices. Fortunately they have a girls' generation as international names that have the same meaning. Which is itself derived from single hits lee seungchul entitled "so nyeo shi dae" in 1989.