The Brief: To fans of the cult film Mean Girls, October 3rd is known as "Mean Girls Day."

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It’s a day to celebrate all things “fetch.” On October 3rd, Mean Girls fans choose to wear pink in recognition of ‘the plastics‘ rule that “on Wednesdays we wear pink.” October 3rd, 2018 happens to be a Wednesday, making it an extra special Mean Girls Day.

Mean Girls Day is on October 3rd because, in the film, Lindsay Lohan’s character recalls a scene where her crush asks her what day it is and she responds, “it’s October 3rd.”