Gulu la Melodic death metal Dark Tranquility linapangidwa mu 1989 ndi woyimba komanso woyimba gitala Mikael Stanne ndi gitala Niklas Sundin. Pomasulira, dzina la gulu limatanthauza "Kudekha Kwamdima"
Poyamba, ntchito nyimbo ankatchedwa Septic Broiler. Posakhalitsa Martin Henriksson, Anders Frieden ndi Anders Jivart analowa m’gululo.
Kupanga kwa gulu ndi Album Skydancer (1989 - 1993)
Mu 1990 gululo linajambula chiwonetsero chawo choyamba chotchedwa Enfeebled Earth. Komabe, gulu silinapindule kwambiri, ndipo posakhalitsa anasintha kalembedwe kawo nyimbo, komanso anabwera ndi dzina lina la gulu - Mdima Mtendere.
Pansi pa dzina latsopano, gululo linatulutsa ma demo angapo ndipo mu 1993, nyimbo ya Skydancer. Pafupifupi atangotulutsa kumasulidwa kwautali wonse, gululo linasiya woimba wamkulu Frieden, yemwe adalowa nawo mu Flames. Chotsatira chake, Stanne anatenga udindo woimba, ndipo Fredrik Johansson anaitanidwa kuti atenge malo a gitala wa rhythm.
Kukhazikika Kwamdima: Gallery, The Mind's I ndi Projector (1993 - 1999)
Mu 1994, Dark Tranquility adatenga nawo gawo pojambula nyimbo ya Metal Militia's A Tribute to Metallica. Gulu loimbalo linaimba chivundikiro cha My Friend of Misery.
1995 idatulutsidwa EP Of Chaos ndi Eternal Night ndi chimbale chachiwiri chautali, chotchedwa The Gallery. Chimbale ichi nthawi zambiri chimayikidwa m'gulu la akatswiri a nthawi imeneyo.
Galleryyo inatsagananso ndi kusintha kwina kwa kalembedwe ka gululo, koma idasungabe maziko a mawu omveka a gululo: kulira, kulira kwa gitala, ndime zoyimbira ndi mawu a oimba osalala.
Yachiwiri ya Dark Tranquility EP, Enter Suicidal Angels, idatulutsidwa mu 1996. Album The Mind's I - mu 1997.
Projector idatulutsidwa mu June 1999. Inali nyimbo yachinayi ya gululo ndipo pambuyo pake idasankhidwa kukhala Mphotho ya Grammy ya Sweden. Albumyi inakhala imodzi mwazosintha kwambiri m'mbiri ya chitukuko cha phokoso la gululo. Kusunga zitsulo zokulirapo komanso zakufa, gululi lidakulitsa mawu awo pogwiritsa ntchito piyano ndi baritone yofewa.
Pambuyo kujambula kwa Projector, Johansson adasiya gululo chifukwa cha kutuluka kwa banja. Panthawi yomweyi, gululi linatulutsanso Skydancer ndi Of Chaos ndi Eternal Night pansi pa chivundikiro chomwecho.
Haven by Dark Tranquility (2000 - 2001)
Chaka chotsatira, chimbale cha Haven chinatulutsidwa. Gululo linawonjezera ma kiyibodi a digito komanso mawu oyera. Panthawiyi, Martin Brendström anali atalowa nawo gululi ngati woimbira makiyibodi, pomwe Mikael Nyklasson adalowa m'malo mwa woyimba bassist Henriksson. Henriksson nayenso anakhala gitala wachiwiri.
Kuti ayende mu 2001, Dark Tranquility adalemba ganyu Robin Engström, monga woyimba ng'oma Yivarp adabereka.
Kuwonongeka Kwachitika ndi Khalidwe (2002 - 2006)
Chimbale Damage Done chinatulutsidwa ndi gululi mu 2002 ndipo inali sitepe yopita ku phokoso lolemera kwambiri. Chimbalecho chinali cholamulidwa ndi magitala osokoneza, makiyibodi akuya mumlengalenga komanso mawu osavuta. Gululi lidapereka kanema wanyimbo ya Monochromatic Stains, komanso DVD yoyamba yotchedwa Live Damage.
Chimbale chachisanu ndi chiwiri cha Dark Tranquility chidatchedwa Character ndipo chinatulutsidwa mu 2005. Kutulutsidwako kunalandiridwa bwino kwambiri ndi otsutsa padziko lonse lapansi. Gululo linayendera Canada kwa nthawi yoyamba. Gululi lidaperekanso kanema wina wanyimbo imodzi ya Lost to Apathy.
Fiction and We Are the Void (2007-2011)
Mu 2007, gululi lidatulutsa chimbale cha Fiction, chomwe chidawonetsanso mawu oyera a Stanne. Idawonetsanso woyimba mlendo koyamba kuyambira Projector. Albumyi inali ngati Projector ndi Haven. Komabe, ndi mkhalidwe waukali wa Khalidwe ndi Zowonongeka Zachitika.
Ulendo waku North America wochirikiza chimbale chotulutsidwa cha Dark Tranquillit unachitika ndi The Haunted, Into Eternity ndi Scar Symmetry. Kumayambiriro kwa 2008 gululi lidayenderanso ku UK komwe adagawana nawo gawo ndi Omnium Gatherum. Patapita nthawi, gululo linabwerera ku US ndikusewera ziwonetsero zingapo ndi Arch Enemy.
Mu Ogasiti 2008, zidziwitso zidawonekera patsamba lovomerezeka la gululo kuti Nicklasson wa bassist akusiya gululo pazifukwa zake. Pa Seputembala 19, 2008, woyimba basi watsopano, Daniel Antonsson, yemwe m'mbuyomu ankaimba gitala m'magulu a Soilwork ndi Dimension Zero, adalembetsedwa m'gululi.
Pa Meyi 25, 2009, gululi lidatulutsanso nyimbo za Projector, Haven, ndi Damage Done. Pa Okutobala 14, 2009, Dark Tranquility adamaliza ntchito yotulutsa situdiyo yawo yachisanu ndi chinayi. DVD yotchedwa Where Death Is Most Alive inatulutsidwanso pa October 26. Pa Disembala 21, 2009, Dark Tranquility adatulutsa nyimbo ya Dream Oblivion, ndipo pa Januware 14, 2010, nyimbo ya At the Point of Ignition.
Nyimbozi zidaperekedwa patsamba lovomerezeka la MySpace. Chimbale chachisanu ndi chinayi cha gululi, We Are the Void, chidatulutsidwa pa Marichi 1, 2010 ku Europe ndi Marichi 2, 2010 ku US. Gululi lidasewera pakutsegulira kwaulendo wachisanu waku US wotsogozedwa ndi Killswitch Engage. Mu May-June 2010 Dark Tranquility inali mutu wa ulendo wa ku North America.
Pamodzi nawo, Signal Threat, Mutiny mkati ndi The Absence adawonekera pabwalo. Mu February 2011, gululi lidasewera koyamba ku India.
Kumanga (2012- ... )
Pa Epulo 27, 2012, Dark Tranquility idasayinanso ndi Century Media. Pa October 18, 2012, gululi linayamba kugwira ntchito yojambula nyimbo yatsopano. Pa January 10, 2013, gululo linalengeza kuti nyimboyo idzatchedwa Construct ndipo idzatulutsidwa pa May 27, 2013 ku Ulaya ndi May 28 ku North America. Nyimboyi idasakanizidwa ndi Jens Borgen.
Pa February 18, 2013, Antonsson adachoka ku Dark Tranquility, akunena kuti sakufunabe kukhalabe wosewera mpira, koma akukonzekera kugwira ntchito ngati wopanga. Pa February 27, 2013, gululo linalengeza kuti kujambula kwa chimbalecho kwatha. Pa May 27, 2013, teaser ndi mndandanda wa nyimbo za Construct adatulutsidwa.
