Icefang is the Chapter homeworld of the Tigers Argent Space Marine Chapter.
The Tigers Argent participated in the Angevin Crusade, which began in 322.M39 and led to the conquest of the Calixis Sector for the Imperium in the Segmentum Obscurus.
They fought alongside elements from their fellow Astartes Chapters the Black Templars, the Sons of Medusa and the Charnel Guard.
Little else is known about this world at present.
- Codex: Space Marines (5th Edition), pg. 30