Timeline of EXO (Band)

EXO is a Chinese-South Korean boy group based in Seoul with 12 members. In 2012 the company (S.M. Entertainment) decided to split the the band into subgroups EXO-K and EXO-M. Therefore by dividing the EXO band they were able to perform in Korea but also increase their wide audience to China by performing in Mandarin and Korean.

Lead Vocals:

Baekhyun: 2012

Do Kyung-soo: 2012

Suho: 2012

Chen: 2011

Main Rapper

Kris Wu: 2012-14

Vocals:

Park Chan-yeol: 2012

Sehun: 2012

Zhang Yixing: 2012

Kai: 2011

Xiumin: 2012

Tao: 2011-15

EXO - Overdose (Korean Chinese MV Comparison)

https://www.youtube.com/watch?v=4ovjLnOKqmk

Timeline

2012 - EXO was made
          - concert Seoul's Olympic Stadium on March 31
          - Great Hall of the Beijing University of International Business and Economics on April 1
           - EXO-K & EXO-M released their debut single, "Mama", on April 8
                      - EXO-K performed on South Korea's music program The Music Trend
                      - EXO-M made their debut in China's Top Chinese Music Awards on the same day
           -  late April, EXO-M performed as a guest act for Super Junior's Super Show 4 concert tour in Jakarta, Indonesia
2013 -  release: best-selling first album XOXO (June)
                   - two versions collectively peaked at number one on the Billboard World Album Chart a week after release
                   -  XOXO was named Album of the Year at the 2013, 15th Mnet Asian Music Awards and Disk Daesang at the 28thGolden Disk Awards        
         - EXO as the fastest-selling Korean artist in twelve years
2014 - highest-charting Korean male act on the Billboard 200 (3rd EP Overdose)
          - ranked the most influential celebrity by Forbes Korea
         - May, Kris filed a lawsuit against S.M. Entertainment to be removed from the group
          - Luhan followed suit in October

2015 - release second studio album EXODUS
                     - became the highest charting album for a male K-pop group on the Billboard 200
                     - earned the honor of becoming the first and only K-pop track to enter the Canadian HOT 100
          - April, Tao suspended his activities and subsequently followed suit