Melodic mutuwar karfe band Dark Tranquility an kafa shi a cikin 1989 ta hanyar mawaƙi kuma mai kida Mikael Stanne da mawaƙin guitar Niklas Sundin. A cikin fassarar, sunan ƙungiyar yana nufin "Duhu Natsuwa"
Da farko, ana kiran aikin kiɗan Septic Broiler. Martin Henriksson, Anders Frieden da Anders Jivart ba da daɗewa ba suka shiga ƙungiyar.
Samar da ƙungiyar da albam Skydancer (1989 - 1993)
A cikin 1990 ƙungiyar ta yi rikodin demo na farko da ake kira Enfeebled Earth. Duk da haka, kungiyar ba ta samu nasara mai yawa ba, kuma nan da nan sun canza salon kiɗan su da ɗan, kuma sun zo da wani suna na band - Dark Tranquility.
A ƙarƙashin sabon sunan, ƙungiyar ta fito da demos da yawa kuma a cikin 1993, kundi na Skydancer. Kusan nan da nan bayan fitowar cikakken tsawon sakin, ƙungiyar ta bar babban mawaƙin Frieden, wanda ya shiga cikin In Flames. A sakamakon haka, Stanne ya dauki nauyin muryoyin, kuma an gayyaci Fredrik Johansson don ya dauki wurin mawaƙin guitarist.
Natsuwa Duhu: Gidan Gallery, Tunanin I da Majigi (1993 - 1999)
A cikin 1994, kwanciyar hankali mai duhu ya shiga cikin rikodin kundin Metal Militia's A Tribute to Metallica. Ƙungiyar ta yi murfin Abokina na wahala.
1995 ya ga fitowar EP Of Chaos da Dare Madawwami da kundi na biyu mai cikakken tsayi na ƙungiyar, mai suna The Gallery. Wannan albam sau da yawa ana sanya shi cikin fitattun kayan aikin wancan lokacin.
Gidan wasan kwaikwayo ya sake kasancewa tare da wasu canje-canje a salon ƙungiyar, amma yana riƙe da tushen sautin mutuwar kiɗan band: gunaguni, riffs na guitar, sautin murya da sassan murya na masu sautin sauti.
Natsuwa na biyu na EP, Shigar Mala'ikun Suicidal, an sake shi a cikin 1996. Album The Mind's I - a cikin 1997.
An saki Projector a watan Yuni 1999. Album na ƙungiyar na huɗu ne kuma daga baya aka zaɓi shi don lambar yabo ta Grammy ta Sweden. Kundin ya zama daya daga cikin mafi juyin juya hali a cikin tarihin ci gaban sauti na band. Tsayawa abubuwan ƙarafa da mutuwa, ƙungiyar ta inganta sautinsu sosai tare da amfani da piano da baritone mai laushi.
Bayan rikodin Projector, Johansson ya bar ƙungiyar saboda bayyanar dangi. Kusan wannan lokacin, ƙungiyar ta sake sakin Skydancer da Of Chaos da Dare Madawwami a ƙarƙashin wannan murfin.
Haven by Dark Tranquility (2000 - 2001)
A zahiri shekara guda bayan haka, an fitar da kundi na Haven. Ƙungiyar ta ƙara madanni na dijital da kuma tsaftataccen muryoyi. A wannan lokacin, Martin Brendström ya shiga ƙungiyar a matsayin mai sarrafa madannai, yayin da Mikael Nyklasson ya maye gurbin bassist Henriksson. Henriksson, bi da bi, ya zama na biyu guitarist.
Don yawon shakatawa a cikin 2001, kwanciyar hankali mai duhu ya hayar Robin Engström, kamar yadda mai yin bugu Yivarp ya zama uba.
Lalacewa Yayi da Hali (2002 - 2006)
Kundin da aka yi Damage Done ƙungiyar ta fitar da ita a cikin 2002 kuma mataki ne zuwa ga sauti mai nauyi. Kundin ya mamaye katar murdiya, zurfin madannai na yanayi da kuma muryoyi masu taushi. Ƙungiyar ta gabatar da shirin bidiyo don waƙar Monochromatic Stains, da kuma DVD na farko da ake kira Damage Live.
Kundin natsuwar duhu na bakwai an yi masa suna Character kuma an sake shi a cikin 2005. Sakin ya sami karbuwa sosai daga masu suka a duniya. Ƙungiyar ta zagaya Kanada a karon farko. Ƙungiyar ta kuma gabatar da wani bidiyon don ɗaya Lost to Apathy.
Fiction kuma Mu Ne Ba komai (2007-2011)
A cikin 2007, ƙungiyar ta fito da kundi na Fiction, wanda ya sake nuna sautin tsaftar Stanne. Hakanan ya fito da baƙo vocalist a karon farko tun daga Projector. Kundin ya kasance a cikin salon Projector da Haven. Koyaya, tare da ƙarin yanayi mai muni na Hali da Lalacewa Anyi.
An gudanar da rangadin Arewacin Amurka don nuna goyon baya ga kundi mai duhu na Tranquillit tare da The Haunted, Into Eternity and Scar Symmetry. A farkon 2008 ƙungiyar ta kuma ziyarci Burtaniya inda suka raba matakin tare da Omnium Gatherum. Bayan ɗan lokaci, ƙungiyar ta koma Amurka kuma ta buga wasan kwaikwayo da yawa tare da Arch Enemy.
A watan Agustan 2008, bayanai sun bayyana a shafin yanar gizon ƙungiyar cewa bassist Nicklasson yana barin ƙungiyar don dalilai na sirri. A ranar 19 ga Satumba, 2008, an ɗauki sabon bassist, Daniel Antonsson, wanda a baya ya buga guitar a cikin makada Soilwork da Dimension Zero, cikin ƙungiyar.
A ranar 25 ga Mayu, 2009, ƙungiyar ta sake fitar da kundi na Projector, Haven, da Damage Done. A ranar 14 ga Oktoba, 2009, kwanciyar hankali mai duhu sun kammala aiki akan sakin su na tara. An kuma fitar da DVD mai suna Inda Mutuwa Tafi Rayayye a ranar 26 ga Oktoba. A ranar 21 ga Disamba, 2009, Dark Tranquility ya fitar da waƙar Mafarki Mafarki, kuma a ranar 14 ga Janairu, 2010, waƙar At the Point of Ignition.
An gabatar da waɗannan abubuwan haɗin gwiwar akan shafin MySpace na ƙungiyar. Kundin rukunin na tara, We Are the Void, an sake shi a ranar 1 ga Maris, 2010 a Turai da Maris 2, 2010 a Amurka. Ƙungiyar ta yi wasa ne a buɗe wani balaguron hunturu na Amurka wanda Killswitch Engage ya jagoranta. A cikin Mayu-Yuni 2010 Zaman Lafiyar Duhu ya jagoranci rangadin Arewacin Amirka.
Tare da su, Siginar Barazana, Mutiny A ciki da Rashi sun bayyana akan dandalin. A watan Fabrairun 2011, ƙungiyar ta yi wasan farko kai tsaye a Indiya.
Gina (2012- ... )
A ranar 27 ga Afrilu, 2012, kwanciyar hankali mai duhu ya sake sanya hannu tare da Media Century. A ranar 18 ga Oktoba, 2012, ƙungiyar ta fara aiki akan sabon kundi. A ranar 10 ga Janairu, 2013, ƙungiyar ta ba da sanarwar cewa za a kira sakin ginin kuma za a sake shi a ranar 27 ga Mayu, 2013 a Turai da Mayu 28 a Arewacin Amurka. Jens Borgen ya gauraya kundin.
A ranar 18 ga Fabrairu, 2013, Antonsson ya bar kwanciyar hankali mai duhu, yana mai cewa har yanzu bai so ya ci gaba da kasancewa a matsayin ɗan wasan bass ba, amma yana shirin yin aiki a matsayin furodusa. A ranar 27 ga Fabrairu, 2013, ƙungiyar ta ba da sanarwar cewa an kammala rikodin kundin. A ranar 27 ga Mayu, 2013, an fitar da teaser da jerin waƙoƙi na kundin Gina.
