In case you're looking for something different to do, April 6 is International Pillow Fight Day and fights will happen in over 100 cities worldwide. New York City's 8th edition takes place between 3 and 6 p.m. in Washington Square Park. Though the fights had previously taken place spontaneously or as "flash mob" events, two University of Toronto students, Kevin Bracken and Lori Kufner, have been credited with uniting them into one, big global day of mayhem. It's free and open to pillow fight lovers of all ages. Just don't forget to bring a pillow! For a complete list of all the cities that are participating, go here.In case you're looking for something different to do, April 6 is International Pillow Fight Day and fights will happen in over 100 cities worldwide. New York City's 8th edition takes place between 3 and 6 p.m. in Washington Square Park. Though the fights had previously taken place spontaneously or as "flash mob" events, two University of Toronto students, Kevin Bracken and Lori Kufner, have been credited with uniting them into one, big global day of mayhem. It's free and open to pillow fight lovers of all ages. Just don't forget to bring a pillow! For a complete list of all the cities that are participating, go here.