From Harry Potter’s first kiss to Justin Bieber’s holiday tune, kissing under the mistletoe is everywhere in pop culture. But this Christmas tradition — that if you’re standing under the leafy plant, it’s time for a smooch — existed long before it ever appeared in movies and pop songs.
While historians are uncertain about why kissing under the mistletoe started, there is a general consensus regarding when and where the custom began, and how it became popular during Christmastime.
