What radio network, founded in 1926, was the first major broadcast network in the United States?

In the burgeoning era of radio, a significant milestone was reached in 1926 with the establishment of the United States' first major broadcast network. This pioneering organization, the National Broadcasting Company, or NBC, was founded by the Radio Corporation of America (RCA), a joint venture involving industry giants like General Electric and Westinghouse Electric Corporation. Its inception (Review) was largely orchestrated by David Sarnoff, then general manager of RCA, who envisioned a widespread network to deliver quality programming to American homes. NBC officially launched its broadcasts on November 15, 1926, with a grand four-hour program originating from the Waldorf-Astoria Hotel in New York City, marking the true dawn of network radio.

Initially, NBC innovatively operated two semi-independent national networks: the Red Network (Review) and the Blue Network. The Red Network primarily carried popular entertainment and commercially sponsored programs, while the Blue Network focused on unsponsored content, including news, cultural broadcasts, and educational programming. Legend has it that these distinctive names arose from the red and blue pencils used by engineers to trace the networks' respective routes on a map. This dual-network approach allowed NBC to offer a diverse range of content and reach a wider audience across the nation.

NBC quickly expanded its reach, growing to encompass 214 stations nationwide by 1940 and profoundly shaping the landscape of American media. However, due to antitrust concerns, the federal government mandated that RCA divest itself of one of its networks. Consequently, in 1943, the less commercially focused Blue Network was sold and eventually rebranded, becoming the American Broadcasting Company, or ABC. NBC's early establishment and innovative structure laid the foundational groundwork for modern broadcasting, playing a crucial role in connecting communities and fostering a shared national experience through radio.