15 , 500 BBY 15 , 500 Before the Battle of Yavin ( BBY ) was a year in the Indecta Era of the Galactic Republic . While the expansion of the Republic - known galaxy had come to a near halt with the outbreak of the First Alsakan Conflict fifteen hundred years earlier , scouts and explorers eventually returned to the outer frontier of space . 15 , 500 BBY , Republic scouts encountered the Duinuogwuin species . Frightened , the scouts hastily retreated to Coruscant , with hundreds of the oft - called " Star Dragons " in pursuit . The Republic planet was attacked , but peace was forged between the Duinuogwuin philosopher Borz ' Mat ' oh and Supreme Chancellor Fillorean . Together , as part of the peace , they established the University of Coruscant . Proem . The rapid expansion of the known galaxy by the Galactic Republic had nearly ceased with the outbreak of the First Alsakan Conflict in 17 , 000 BBY . This conflict marked the beginning of the Indecta Era for the Republic , but exploration eventually resumed . New sentient species were being encountered on the rimward frontier of known space . The Republic had also been changing culturally , with the establishment of the Celebratus Archive on Obroa - skai in 16 , 782 BBY and the creation of the first proto - lightsabers by the Jedi in the years leading up to 15 , 500 BBY . The galaxy in 15 , 500 BBY . In 15 , 500 BBY , Republic scouts exploring the Outer Rim traversed near the planet Murkhana . There , they encountered the Duinuogwuin , fifty meter – long " Star Dragons " that had the ability to travel through the vacuum of space and expel atomic fire from their mouths . The first encounter was disastrous , as the scouts were stricken with fear . Acting in haste , they retreated to Coruscant . The " Star Dragons " misinterpreted the fear , and hundreds followed in pursuit . Reaching the Republic capital - world , the Duinuogwuin attacked the planet and devastated the cityscape . However , the Republic ' s Supreme Chancellor Fillorean was able to open negotiations with the Duinuogwuin philosopher Borz ' Mat ' oh , brokering peace . As part of the deal , the two established the University of Coruscant . Impact . The Duinuogwuin became one of many species that either came in contact or became incorporated into the galactic community during the Indecta Era . The peace brokered by Fillorean and Borz ' Mat ' oh lasted between the Republic and the Duinuogwuin , and some of them even became Jedi . One such Star Dragon , named Willm Lywin , established the Teyan Praxeum on Teya IV in 4600 BBY . On the University of Coruscant ' s main campus , statues of both Fillorean and Borz ' Mat ' oh were erected , and the university itself remained for thousands of years . Behind the scenes . Although the year itself was not explicitly mentioned in " Coruscant and the Core Worlds " , the 2003 Wizards of the Coast roleplaying game supplement first introduced the Duinuogwuin Contention into " Star Wars " canon . The date was first provided in the 2005 publication The New Essential Chronology , wherein further details of the conflict were mentioned . 15 , 500 BBY later received mention in " " and " The Essential Atlas " .