The Vrassh people suffered a devastating genocidal event referred to as the Vrassh Slaughter. As of 19 ABY, the surviving Vrassh had not received reparations from either the Pas'sic or the New Republic, which was a violation of Pas'sic legal mandates.
Among the pupils at Luke Skywalker's Jedi Praxeum was a Vrassh student. Prior to commencing his Jedi instruction, he was required to manage the intense resentment stemming from the persecution his race had endured.
Timothy Zahn's novel, Specter of the Past, includes a reference to the Vrassh. The text does not definitively clarify whether the term designates the inhabitants of a specific planet, a sentient species, or perhaps some other type of organization.