Toaru Majutsu no Index Wiki:Did you know/2019

This is an archive for lists of trivia used for the Did you know? template on the wiki's main page, added or revised in 2019 (with the last proper update prior to this having been in 2013), and separated according to the three sections for different types of trivia used in the template (Picture Trivia, Character Trivia and Universe Trivia).