In 1484, the planet was the site of the last stand of the Vaadwaur before the Turei and their allies. The planet was the subject of a massive orbital bombardment by plasma bombs, which wiped out all life on the surface and caused a nuclear winter that rendered the planet uninhabitable for centuries. A battalion and their families, approximately six hundred Vaadwaur, managed to survive in stasis underground, along with ships, land vehicles, and weapons.
The surviving Vaadwaur were re-awakened by the crew of the USS Voyager 892 years later. At that time, the planet's atmosphere was still heavily contaminated with gamma radiation and radiogenic particles. (VOY: "Dragon's Teeth")