In the Star Wars canon, the Battle of Parein II 4 was first mentioned in Battle Droids and Other Droids of War in the Star Wars Encyclopedia booklet series published by Altaya on July 27, 2021. In the Stars Wars Legends, the battle was first mentioned in The Story of General Grievous: Lord of War on Hyperspace a article written by Abel G. Peña and illustrated by Joe Corroney released on February 15, 2006.
In the Star Wars canon, the Battle of Parein II 4 was first mentioned in Battle Droids and Other Droids of War in the Star Wars Encyclopedia booklet series published by Altaya on July 27, 2021. In the Stars Wars Legends, the battle was first mentioned in The Story of General Grievous: Lord of War on Hyperspace a article written by Abel G. Peña and illustrated by Joe Corroney released on February 15, 2006.