2008: Debut and The Shinee World
On May 22, 2008, the group's first mini-album, Replay was released from label company, SM Entertainment. The mini-album debuted at #10 on the Korean music charts and peaked at #8, selling 17,957 copies in the first half of 2008.
On June 7, 2008, Shinee participated in the Dream Concert in the Seoul Olympic Stadium along with other South Korean singers and groups. The group won their first award, "Rookie of the Month", at the Cyworld Digital Music Awards on June 22, 2008.Shinee took part in SMTown Live '08, which was held on August 18, 2008 at Seoul Olympic Stadium.On August 23, 2008, they attended the MNet 20's Choice Awards 2008, where they won the "Hot New Star" award.
Shinee released their first full-length album, The Shinee World, on August 28, 2008.The album debuted on the charts at #3, selling 30,000 copies. The first single released from the album was "Sanso Gateun Neo (Love Like Oxygen)", a cover of "Show the World" by Martin Hoberg Hedegaard, originally written by the Danish songwriting and production team of Thomas Troelsen, Remee and Lucas Secon.On September 18, 2008, Shinee's "Sanso Gateun Neo (Love Like Oxygen)" was the #1 song on M! Countdown. A few days later, Shinee received the "Mutizen" award for the same single on SBS's Popular Songs.
Shinee participated in the 5th Asia Song Festival, where they received the "Best New Artist" award with a Japanese girl group, Berryz Kobo.The group attended the 2008 Style Icon Awards on October 30, 2008, where they won the "Best Style Icon Award". On the same day, a repackage album of The Shinee World titled Amigo was released. The re-packaged album contained three new songs: "Forever or Never", a remix of "Sa. Gye. Han (Love Should Go On)" (사.계.한) and the promotional single "Amigo" (아.미.고). "Amigo" is a shortened version of the Korean phrase "Areumdaun Minyeorueljoahamyeon Gosaenghanda" (아름다운 미녀를 좋아하면 고생한다 lit. Heart Aches When You Fall In Love With a Beauty).
On November 15, 2008, Shinee won the "Best New Male Group" award at the 10th annual Mnet Asian Music Awards, beating fellow newcomers U-KISS, 2PM, 2AM and Mighty Mouth.At the 23rd Annual Golden Disk Awards, they performed a medley of their songs and won the award for "YEPP Newcomer Album".
Source: http://en.wikipedia.org/wiki/Shinee