The Xbox 3 is commonly known as the Xbox 360, which was the second generation of the Xbox console series. The Xbox 360 was released on November 22, 2005. This release marked the launch of the console in North America, with other regions following soon after. To clarify, the third generation Xbox console is actually the Xbox One, which was released later on November 22, 2013. So, if the question refers to "Xbox 3" as the third Xbox console generation, that would be the Xbox One, released in 2013. If the question refers to "Xbox 3" as the Xbox 360 (which is often colloquially referred to as Xbox 3), that released in 2005.