In the year 2323, Hadlo and other Oralians fled to the space beyond Quinor after a crackdown on them. (ST - Terok Nor novel: Day of the Vipers) Prior to 2328, Gul Monor battled and defeated Orion pirates at Quinor. (ST - The Lost Era novel: The Art of the Impossible) In 2375, the Cardassian Liberation Front had a base on Quinor VII. It was later destroyed by the Dominion. (DS9 episode: "The Dogs of War")