389 BBY, which stands for 389 Before the Battle of Yavin, denotes a year within the 'ABY-BBY' dating system and falls within the period known as the High Republic Era. It was approximately during this year that Rooper Nitani, a Force-sensitive human female, began her training as a Padawan under the tutelage of the human Jedi Silandra Sho.
The short story "Shield of the Jedi," penned by George Mann, which appeared in the Star Wars: The High Republic multimedia project as part of the 2023 young-adult collection The High Republic: Tales of Light and Life, made an implicit reference to 389 BBY.