10//2006: Nine girls are chosen from the 50 who auditioned. The show would start airing on October 30th 2006.
11/16/2006: Official site opened.
01/10/2007: "Idoling!!! Nikki" start airing.
01/24/2007: Staff blog "Kogetsukimasu..." opens (Closed in December 2010).
07/11/2007: Major debut with "Ganbare otome (warai) / friend" single on Pony Canyon lalbel.
12/25/2007: "Idoling!!! 1st Live 'Motto Ganbare Otome (warai)'" is held at Shinagawa Stellar Ball
12/11/2011: It was announced on the official site that #7 Yazawa Erika & #8 Fonchi would be graduating on December 23rd 2011.
05/03/2012: It was announced on the official site that #11 Morita Suzuka would be graduating on May 30th 2012.
07/28/2013: 6th generation members announced at Tokyo Idol Festival 2013.
08/29/2013: 6th generation is now officially called Idoling NEO, and will compete against each other by both releasing a single on the same day, November 13th 2013. Idoling!!! will release their 21st single and NEO their first single.