Sean George, better known by his stage name Diabolic, is an American rapper.
 He started receiving fame on the hidden track after Immortal Technique's song "Dance with the Devil".
 He is also a well-known battle rapper who has battled with rappers such as Immortal Technique, Mecca, and Rhymefest, among others.
 He released "The Foul Play Mixtape" in October 2006.
Liar & a Thief is the debut album by American rapper Diabolic.
 It was released by Viper Records on 6 April 2010 and the album peaked on Billboard's R&B/Hip-Hop Albums chart at #76 on 24 April 2010.
 The album features guests such as Immortal Technique, Ill Bill, Vinnie Paz, Deadly Hunta, Nate Augustus, and Canibus with production handled entirely by Engineer with the exception of track 3, which is produced by John Otto of Limp Bizkit on live drums.
 The album won 2010 HHUG Best Album of the Year award.
The Brick: Bodega Chronicles is the debut album by American rapper Joell Ortiz.
 It was released on April 24, 2007, by Koch Records, whom Ortiz was dealing with before he signed with Aftermath Entertainment.
 The album includes guest appearances from Big Daddy Kane, Styles P, Big Noyd, Akon, Immortal Technique, Grafh, Ras Kass, Maino and Stimuli.
 It was released after he signed to Aftermath Entertainment, and was released under Koch Records with the permission of Dr. Dre, head of Aftermath Entertainment.
The Martyr is a compilation album by rapper Immortal Technique, released on October 27, 2011 through free digital download on ViperRecords.com.
 It is a collection of previously unreleased songs.
 "The Martyr" had 200,000 downloads on its first day, and 1,000,000 in its first week through his independent label, Viper Records.
Kolexxxion, is a collaborative studio album by renowned DJ/producer DJ Premier and rapper Bumpy Knuckles (a.k.a. Freddie Foxxx).
 Most of the beats on the album (all produced by DJ Premier except "Word Iz Bond") are beats that were rejected by other artists, such as "B.A.P. (Bumpy And Premier)" (This beat was intended for Jay-Z's 2009 album The Blueprint 3, but by the time DJ Premier had sent it to him, it was too late for the beat to make the cut for the album), and "wEaRe aT WaR" (rejected by Immortal Technique) and "EyEnEvErPuTmY4cUsAwAy" (Premier had himself stated, on Hot 97.5 that he had, on several occasions, sent the beat for rapper Kanye West, but it never made the cut for any of his projects).
 Some of the songs are previously released collaborations between the two.
 There are only two guest stars on the album, which are Flavor Flav and Nas.
 The album was released on March 27.
Blood and Ashes is the debut album by hip hop duo OuterSpace, released on July 27, 2004 by Babygrande Records.
 The Album features collaborations by Jedi Mind Tricks member Vinnie Paz, Immortal Technique, Sadat X from Brand Nubian and fellow A.O.T.P. members 7L & Esoteric, Celph Titled, Des Devious & King Syze.
The 3rd World is the third studio album by rapper Immortal Technique, following a five-year absence since "Revolutionary Vol.
 2".
 It was released on June 24, 2008, on Viper Records.
 "The 3rd World" peaked at number 99 on the "Billboard" 200 chart.
 He claimed in an interview from September 2009 to have sold more than 60,000 copies.
 The album was conceived while recording material for other forthcoming projects with DJ Green Lantern and Southpaw.
Revolutionary Vol.
 1 is the debut album by rapper Immortal Technique, released on September 18, 2001, and re-pressed in 2004 (by Babygrande Records).
 The first edition had no distribution and no bar code; it was sold by the artist on the streets and at his shows.
 The album re-press was manufactured with a bar code and is being distributed worldwide by Viper Records and Babygrande Records.
 Immortal Technique claimed in an interview to have sold more than 45,000 copies.
Legacy is the debut album from underground hip hop artist Akir.
 It was released on March 20, 2006 on Viper Records.
 Guest performers on the album include Immortal Technique and Jean Grae.
 Producers include SouthPaw, Akir, and Apex, and the album was executive produced by Immortal Technique.
 "Politricks" was released as a single on July 22, 2005.
Revolutionary Vol.
 2 is the second studio album by rapper Immortal Technique, It was released on November 18, 2003, and is a follow-up to his debut album, "Revolutionary Vol.
 1".
 Both albums were re-pressed in 2004 by Babygrande Records.

Question: When was the debut album of rapper Immortal Technique released?
Answer: September 18, 2001