Question: When was the album of Irish rock band U2 released by Jamaican-British record label that operates as a division of Universal Music Group (UMG)?

Context paragraphs:
Island Records: Island Records is a Jamaican-British record label that operates as a division of Universal Music Group (UMG).  It was founded by Chris Blackwell, Graeme Goodall and Leslie Kong in Jamaica in 1959.  Blackwell sold the label to PolyGram in 1989.  Both Island and another label recently acquired by PolyGram, A&M Records, were both at the time the largest independent record labels in history, with Island in particular having exerted a major influence on the progressive UK music scene in the early 1970s.

Universal Republic Records: Universal Republic Records was an American record label, that operated as a division of Universal Music Group.  It was based on the then-defunct Republic Records label founded by brothers Monte and Avery Lipman.  In the summer of 2011, changes were made at one of the three Universal Music Group umbrella labels, Universal Motown Republic Group, and Motown Records was separated from Universal Motown Records (causing it to shut down and transfer its artists to either Motown Records or Universal Republic Records) and the umbrella label and merged into The Island Def Jam Music Group, making Universal Republic Records a stand-alone label and shutting down Universal Motown Republic Group.  In mid-2012, the label reverted to its original Republic Records name, making this label defunct.

Enrique Iglesias: Enrique Miguel Iglesias Preysler ( ; ] ; born 8 May 1975) is a Spanish singer, songwriter, actor and record producer.  He is widely regarded as the King of Latin Pop.  Iglesias started his career in the mid-1990s on an American Spanish-language record label Fonovisa Records under the name Enrique Martinez, before switching to the stage name Enrique Iglesias and becoming one of the biggest stars in Latin America and the Hispanic market in the United States.  By the turn of the millennium, he had made a successful crossover into the US mainstream market and signed a multi-album deal with Universal Music Group for US $68 million with Universal Music Latino to release his Spanish albums and Interscope Records to release English albums.  In 2010, he parted with Interscope Records and signed with another Universal Music Group label Republic Records to release bilingual albums.  In 2015, Iglesias parted ways with Universal Music Group after a decade.  He signed with Sony Music; his upcoming albums will be by Sony Music Latin in Spanish and RCA Records in English.

Decca Label Group: Decca Label Group is Universal Music Group's classical music record label group based in the United States - in addition to new releases, it also manages the huge back catalog of classical recordings held by UMG (through the various labels that make up the group).  The Decca Label Group comprises two divisions: Universal Musical Classical and the American operations of Decca Records.  In 2005, Universal Classics Group was named 3 on "Billboard"' s Top Classical Crossover Label and 2 on "Billboard"' s Top Classical Label.

Capitol Music Group: Capitol Music Group (abbreviated as CMG) is an American front line umbrella label owned by the Universal Music Group (UMG).  It oversees handling of record labels assigned to UMG's Capitol Records division and were inherited from its acquisition of EMI's catalog (save for Parlophone, which was sold to Warner Music Group (WMG) in 2013).  It is one of five umbrella labels owned by UMG, with the other four being Interscope Geffen A&M, Island Records, Def Jam Recordings and Republic Records.  Labels distributed under the CMG brand include Capitol Records, Virgin Records, Motown Records, Blue Note Records, Astralwerks, Harvest Records, Capitol Christian Music Group, Priority Records, Atom Factory Entertainment and Deep Well Records.

Def Jam Recordings: Def Jam Recordings is an American record label focused predominantly on hip hop and urban music, owned by Universal Music Group (UMG).  In the UK, the label takes on the name Def Jam UK and is operated through Virgin EMI Records, while in Japan, it is known as Def Jam Japan, operating through Universal Music Japan.  The label distributes releases of various record labels, including Kanye West's GOOD Music, Ludacris' Disturbing Tha Peace, and ARTium Recordings, headed by Def Jam's current executive vice president, No I.D..  Current artists include Iggy Azalea, Logic, Big Sean, Kanye West, Leona Lewis, 2 Chainz, Axwell Λ Ingrosso, Mother Mother, Afrojack, Jeezy, Jeremih, Ludacris, Alesso, Pusha T, Vince Staples, Desiigner and Jhené Aiko among others.

Devraj Sanyal: Devraj Sanyal (born 21 March 1975) is the Managing Director & Chief Executive Officer of Universal Music Group & EMI Music, India & South Asia.  Sanyal took over in 2011 & is based in the company headquarters in Mumbai.  He is charged with the management and operational running of all Universal Music Group businesses in the region.  Sanyal runs the Universal Music Label, Universal Music Publishing, EMI Music & their festival business JV Twisted Entertainment as its MD & CEO.  Sanyal has been part of India’s premier heavy metal band “Brahma” since 1994 and so understands all sides of the Music & Entertainment business, both from an artist point of view as well as the business side of things.  Sanyal has successfully created a multi-pronged business model for The Universal Music Group by way of having the label sit in the center of his universe, strongly straddled by a host of profitable allied non-traditional businesses like Live, Merchandising, Branded Content, Artist Accelerator & Intellectual Properties, which makes the Universal Music Group businesses in South Asia very differentiated from everyone else.  Sanyal is married to Nikita Sanyal & has a 11-year-old daughter Sera.

Capitol Records: Capitol Records, LLC (also referred to simply as Capitol and Hollywood and Vine) is an American major record label which operates as a division of the Capitol Music Group.  The label was founded as the first West Coast-based record label in the United States in 1942 by industry insiders Johnny Mercer, Buddy DeSylva and Glenn E. Wallichs.  In 1955, the label was acquired by the British music conglomerate EMI as its North American subsidiary.  EMI was later acquired by Universal Music Group in 2012 and was merged with the company in 2013, making Capitol Records and the Capitol Music Group both a part of the Universal Music Group.  Capitol Records' circular headquarter building located in Hollywood, Los Angeles is a recognized landmark of California.  s of 2017 , artists signed to Capitol Records include Paul McCartney, Mary J. Blige, the Beach Boys, the Beastie Boys, Neil Diamond, Eagles, Katy Perry, Brian Wilson, Beck, Avenged Sevenfold, 5 Seconds of Summer, Don Henley, Sam Smith, Emeli Sandé, Troye Sivan, Tori Kelly, and Niall Horan.

The Unforgettable Fire: The Unforgettable Fire is the fourth studio album by Irish rock band U2.  It was produced by Brian Eno and Daniel Lanois, and released on 1 October 1984 by Island Records.  The band wanted to pursue a new musical direction following the harder-hitting rock of their 1983 album, "War".  As a result, they employed Eno and Lanois to produce and assist in their experimentation with a more ambient and abstract sound.  The resulting change in direction was at the time the band's most dramatic.  The album's title is a reference to "The Unforgettable Fire"—an art exhibit about the atomic bombing of Hiroshima.  The band saw the exhibit in November 1983 in Japan while on the "War" Tour.

Universal Music Distribution: Universal Music Distribution (abbreviated as UMD and formerly known as MCA Music Distribution Corp., Uni Distribution Corp., Universal Music & Video Distribution Inc., Universal Music Distribution Corp., Universal Music & Video Distribution Corp.) is a unit of Universal Music Group.  It oversees the distribution and sales of such UMG labels as Republic Records, Island Records, Def Jam Recordings, Capitol Music Group, Interscope Geffen A&M Records, UMG Nashville, Verve Music Group, Decca Label Group, Universal Music Latin Entertainment, Universal Music Enterprises, and Varèse Sarabande.  It also provides North American distribution to non-Universal-owned labels such as Roc Nation, Big Machine Records, ABKCO Records, Concord Records, Darksyde Productions Inc and Rounder Records and handles worldwide distribution for the Disney Music Group's two labels: Walt Disney Records and Hollywood Records.  It also managed distribution and sales for Vivendi Entertainment, the company's home entertainment division, until it was sold to Gaiam in 2012.

Supporting paragraphs: The Unforgettable Fire Island Records
Answer: 1 October 1984