Many many people did. But I'm receiving long distance electro-neuronic resonances
from you that indicate that the one you're thinking of is Orson Welles.
You may be thinking of his Mercury Theatre story, his adaptation of H G WElls' War of the Worlds, which broadcast on Halloween evening in 1938.
El trovador de la radio - 1938 is rated/received certificates of: USA:Approved
Orson Welles' 1938 broadcast "War of the Worlds."
The police response to the panic caused by the radio adaptation of "The War of the Worlds" in 1938 was swift and organized. They worked to reassure the public, dispelling rumors and informing people that the broadcast was fictional. Officers were deployed to various areas to maintain order and address concerns, while local law enforcement collaborated with media outlets to provide accurate information about the event. Overall, their efforts aimed to calm the widespread fear and prevent further chaos.
August 21, 1938 according to his website www.kennyrogers.biz
The Mercury Theatre hosted by Orson Welles. And the legend of panic is greatly overblown. http://www.mercurytheatre.info/
From Wikipedia: "The War of the Worlds is an episode of the American radio drama anthology series The Mercury Theatre on the Air. It was performed as a haloween episode of the series on October 30, 1938 and aired of the Columbia Broadcasting System radio network."
That Mercury Theater production aired on Halloween night, 1938.
Royalty Theatre ended in 1938.
Sun Theatre was created in 1938.
Henrico Theatre was created in 1938.
Arcata Theatre was created in 1938.
Bethesda Theatre was created in 1938.
Bama Theatre was created in 1938.
The War of the Worlds radio broadcast, the infamous 1938 Halloween episode of "The Mercury Theatre on the Air" directed by Orson Welles, aired a fictional news bulletin reporting an alien invasion from Mars. This realistic simulation caused a panic across the United States, as many listeners believed that America was actually under attack by extraterrestrial forces.
York Theatre - Montreal - was created in 1938.
Schines Auburn Theatre was created in 1938.