Behind the scenesEdit
Sembla was first created for "Who's Who in the Jedi Order", a Star Wars Legends article written by Greg Keyes and David West Reynolds and published in Star Wars Insider 62 in 2002. The world was confirmed to be canon by the reference book Ultimate Star Wars, which was released in 2015.
- Star Wars: The Force Awakens Beginner Game (First appearance)
- Ultimate Star Wars (First mentioned)
- Star Wars Character Encyclopedia: Updated and Expanded