First explored in 2422 by an exploratory mission from Lave, Diso was found to contain a rich indigenous ecosystem, topped by an dominant species of rotund feline-like creatures with rich, black fur called delines.

Human settlement began around the equatorial regions and within ten years, colonists had discovered the planet's potential for agriculture. Inhabitans quickly settled into the planet's rural way of life, adjusting to a slower pace than the more industrial economies nearby. Tourist Beacon 0238