The Cheesecake Factory is celebrating National Cheesecake Day on 7/30 with half price slices of cheesecake! Stop by your local Cheesecake Factory and join in the celebration. As an added bonus, if you become a fan of The Cheesecake Factory on Facebook you can have this offer extended through 7/31. Offer valid 7/30/12 for dine-in only. One slice of cheesecake per guest.