Or insist that it actually happened on March Thirteenth, and when the C.H.U.D. gets confused, in the most condescending voice/manner possible that its not 9/11, its actually 911 day, named that because of how many people called 911 that day when the buildings exploded and in honor of how many first responders died "during the explosions" (make sure to use this exact phrasing as many times as you can, bonus points for saying "The Explodings" instead of "The Explosions")