FlashMob - Oxford - Cornmarket Street (Dec 3 2006) (Video) 1 discussions FlashMob that took place in front of the Clarendon Center, Cornmarket Street, Oxford on the 3rd December 2006. This particular FlashMob was a pillow fight. It kicked off at exactly 1pm and lasted 1 mi.. Tags: FlashMob Oxford Cornmarket Street Pillow Fight Brookes