On This Day, October 30, 1938

Orson Welles scares nation Orson Welles causes a nationwide panic with his broadcast of "War of the Worlds"—a realistic radio dramatization of a Martian invasion of Earth. Orson Welles was only 23 years old when his Mercury Theater company decided to update H.G. Wells' 19th-century science fiction novel War of the Worlds for national radio. Despite his age, Welles had been in radio for several years, most notably as the voice of "The Shadow" in the hit mystery program of the same name. "War ... Full Story