Mandrake the Magician debuted on WOR in New York City on this date. It was then that the chant "Invovo Legem Magicarum" was first heard.
WOR is an A-class AM radio station (nighttime clear-channel station), located in New York, New York, United States, managing on 710 kHz. On 22nd February 1922, it started broadcasting using an AM transmitter (500-watt) on 833 kHz. From 1987, this radio channel broadcasted as a talk format and has been owned by Buckley Broadcasting after being acquired from RKO. This radio channel has traditional or right-of-center views. It is one of the primary channels of the Shore to Shore AM system and broadcasts the Rutgers Scarlet Knights basketball and football games. They had formerly been certified for use by the ship SS Florida, owned by the Orient Lines.