George A. Romero's Night of the Living Dead set the bar for onscreen violence in American cinema, and upon the first screening in 1968, a terrifying genre was born. Considered by some film historians to be the first modern horror movie, this low-budget film kick-started the midnight movie phenomenon, earned hundreds of millions of dollars, spawned an entire zombie-film industry and inspired generations of filmmakers. With Romero's film, the zombie...