Question: When did the 6th generation ipod come out?

Disambiguated questions and answers:
context: No context provided
question: When did the original 6th generation ipod classic come out?
short_answers: September 5, 2007
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question: When did the 120GB 6th generation ipod classic come out?
short_answers: September 9, 2008
context: No context provided
question: When did the 6th generation ipod Nano come out?
short_answers: September 1, 2010
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question: When did the 6th generation ipod touch come out?
short_answers: July 15, 2015
context: No context provided
question: When did the revised slim profile 160GB 6th generation ipod classic come out?
short_answers: September 9, 2009

Long-form answers:
knowledge: content: During a special iPod-centric event on September 5, 2007, Steve Jobs introduced the sixth-generation iPod and the suffix "classic". Featuring slightly thinner bodies, the sixth-generation iPod also had dramatically improved battery life, claiming up to 36 hours of music playback and 6 hours of video playback
wikipage: IPod Classic
content: During the 'Let's Rock' Apple Event on September 9, 2008, the 80GB and the thicker 160GB model were discontinued in favor of a thin 120GB version retailing for US$249. It introduced Genius and audio recording capabilities
wikipage: IPod Classic
content: Prior to the 'It's Only Rock and Roll' event on September 9, 2009, the price of the 120GB version was dropped to US$229. During the event, Apple replaced the 120GB version with a 160GB model, featuring the same slim profile of the 80GB and 120GB models. It retailed at US$249. This model is sometimes colloquially known as the "7th generation"
wikipage: IPod Classic
content: At a media event on September 1, 2010, Apple announced the sixth generation iPod Nano, which, among many new features, was designed around a high-resolution square touch-screen
wikipage: IPod Nano
content: The sixth-generation iPod Touch (stylized and marketed as the iPod touch, and colloquially known as the iPod touch 6G, iPod touch 6, iPod touch (2015) or iPod 6,[4] is a multipurpose handheld device designed and marketed by Apple Inc. with a touchscreen-based user interface. It is the successor to the iPod Touch (5th generation), becoming the first major update to the iPod lineup in more than two and a half years. It was released on the online Apple Store on July 15, 2015
wikipage: IPod Touch (6th generation)
long_answer: During a special iPod-centric event on September 5, 2007, Steve Jobs introduced the sixth-generation iPod and the suffix classic. Featuring slightly thinner bodies, the sixth-generation iPod also had dramatically improved battery life, claiming up to 36 hours of music playback and 6 hours of video playback. The next year, during the Let's Rock Apple Event on September 9, 2008, the 80GB and the thicker 160GB model of the sixth-generation iPod were discontinued in favor of a thin 120GB version retailing for $249. This version introduced Genius and audio recording capabilities. The following year, prior to the It's Only Rock and Roll event on September 9, 2009, the price of the 120GB version was dropped to $229. During this event, Apple replaced the 120GB version with a 160GB model, featuring the same slim profile of the 80GB and 120GB models. It retailed for $249. The next year, at a media event on September 1, 2010, Apple announced the sixth generation iPod Nano, which, among many new features, was designed around a high-resolution square touchscreen. Additionally, the sixth-generation iPod Touch, a multipurpose handheld device designed and marketed by Apple with a touchscreen-based user interface, was the successor to the iPod Touch fifth generation. This sixth-generation iPod Touch became the first major update to the iPod lineup in more than two and a half years. It was released in the online Apple Store on July 15, 2015.