November 15, 1926: On this day, 24 radio stations were aired for the first time from the National Broadcasting Company. The program was broadcast from the Waldorf Astoria Hotel in New York City for 4.5 hours continuously. This day is known as the birthday of network radio. Announcing the National Broadcasting Company, Inc. ads were published in numerous publications in September, 1926. The network's debut broadcast followed on November 15th. The new NBC had an advisory board that consisted of nationally prominent citizens. The advisory board held an initial meeting on February 28, 1927, discussing concepts for the first steps of the company. These meetings were recounted in a privately published Memorandum of Minutes.