Mandalorian - Jedi War The Mandalorian - Jedi War was a series of many conflicts fought between the Mandalorian s and the Jedi Order . The final war between both groups ultimately resulted in the devastation of the former ' s homeworld of Mandalore . The war . A series of conflicts fought between the Mandalorian s and the Jedi Order , the Mandalorian - Jedi War saw the advancement of Mandalorian technology when they collided with the Force - wielding Jedi , whose abilities they didn ' t understand . In response , their arsenal and armor were designed to combat them , and they began to often win as a result . The Mandalorian crusaders fought against the Jedi during their crusades . The Mandalorians also waged war against the Old Republic , and , during the period of its fall , members of House Vizsla reclaimed the darksaber , a unique lightsaber created by Tarre Vizsla , the first Mandalorian ever inducted into the Jedi Order , from the Jedi Temple after its creator ' s passing . Before the end of the Mandalorian - Jedi War , the Mandalorians turned Concordia , a moon of their homeworld of Mandalore , into a mining base . The last great struggle between the Jedi and the Mandalorian warlord s resulted in a large battle on Mandalore . This caused a cataclysm that scorched much of the planet ' s surface into lifeless white desert and ending the conflict , the Jedi emerging victorious . Aftermath . The final battle of the Mandalorian - Jedi War rendered Mandalore uninhabitable outside of hermetically sealed dome cities . In addition , the Concordian moon was strip - mined to such an extend that its forest s were only just recovering by the time of the Clone Wars , by which point some Mandalorians still held a grudge against the Jedi for their perceived crimes against Mandalore . The Peace Park , a memorial to the victims of Mandalore ' s violent past , was erected in Sundari , Mandalore ' s capital city , during the reign the New Mandalorians , a pacifistic movement that arose after local conflicts between the many Mandalorian clan s . The warrior clans of Mandalore were believed to have been wiped out during the conflict , their tattered remnants exiled to Concordia , though they were resurrected by Pre Vizsla , the moon ' s treacherous Mandalorian governor and leader of Death Watch whose ancestors as warriors proudly fought against the Jedi for generations , during the Clone Wars . Backed by Count Dooku and the Confederacy of Independent Systems , he began building an army to retake Mandalore from the control of pacifists who were trying to bury violent Mandalore ' s past and carry on its warrior traditions . However , Death Watch , with assistance from former Sith Lord Darth Maul and Shadow Collective were able to take control away from the New Mandalorians . Vizsla was killed by Maul and the Republic , which later became the Galactic Empire occupied Mandalore . Behind the scenes . The conflict between the Mandalorians and the Jedi was first mentioned , albeit indirectly , in " The Mandalore Plot , " the twelfth episode of the canon animated series " " , which originally aired on January 29 , 2010 . Identified as the Mandalorian - Jedi War by Dave Filoni , it included all canon conflicts between the two factions , comprising what " Star Wars " Legends sources referred to as the Mandalorian Crusades , the Mandalorian Wars , and the Mandalorian Excision .