a close up of a man 's face with the word andor on the bottom right ALT: a close up of a man 's face with the word andor on the bottom right

#StarWars: BBY 4 means 4 years Before the Battle of #Yavin, the pivotal moment when the #DeathStar is destroyed. It's part of the "Before the Battle of Yavin" (#BBY) & "After the Battle of Yavin" (#ABY) dating system used in Star Wars to organize events within the timeline. #BBY4