What’s October 3rd? Mean Girls Day & Other Celebrations Explained

Some movies and TV shows like Mean Girls have such a lasting effect on audiences that fans create a whole holiday for their favorites, which has had those out of the loop wondering, “What’s October 3rd?” Mean Girls is a 2004 teen comedy written by Tina Fey that follows high school new girl Cady Heron (Lindsay Lohan), who is introduced to Mean Girls’ colorful characters and cliques, including the “Plastics”, a group of popular girls who run the school. First attempting to take down the “Plastics” from the inside, Cady soon feels compelled to claw her way to the top of the high school hierarchy.