The first radio broadcasts in the 1920s marked the beginning of commercial radio as a medium. One of the earliest and most significant occurrences was the broadcast by KDKA in Pittsburgh, Pennsylvania, on November 2, 1920. This broadcast featured the results of the presidential election, making it one of the first instances of a radio station providing a live news update to the public. KDKA, owned by Westinghouse, is often credited with being the first commercial radio station in the United States.
Throughout the 1920s, radio rapidly evolved, with more stations emerging and a variety of programming—music, news, and entertainment—being offered to listeners. This era laid the groundwork for the widespread adoption of radio as a key medium for information and entertainment.
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