Radio Station KDKA
Turtle Creek, Allegheny County, Pennsylvania
Marker Inscription
World's first commercial station began operating November 2, 1920, when KDKA reported Harding-Cox election returns from a makeshift studio at the East Pittsburgh Works of Westinghouse. Music, sports, talks, and special events were soon being regularly aired.
Erected by Pennsylvania Historical and Museum Commission
The Story
On the night of November 2, 1920, from a rough studio at Westinghouse's East Pittsburgh Works, KDKA went on the air with returns from the Harding-Cox presidential race — widely recognized as the world's first commercial radio broadcast. Within months the station was regularly airing music, sports, talks, and special events, giving listeners a reason to buy receivers and inventing the daily rhythm of broadcast programming. A makeshift experiment quickly became an industry.
Why it matters
KDKA's debut opened the age of commercial broadcasting, a medium that would bind the nation together and transform news, entertainment, and advertising.
The story behind this marker
AI contextThe era
By the autumn of 1920, America was hungry for connection and eager for the new. The First World War had ended, the country was electrifying rapidly, and the Pittsburgh region stood at the heart of the electrical age. Its mills and manufacturing plants employed armies of engineers, and companies like Westinghouse were racing to find peacetime uses for wartime advances in wireless technology.
Radio itself was still mostly the province of amateurs — hobbyists building their own sets and trading signals. But the notion of broadcasting to a general public was catching fire among people who could see where it might lead. What was missing was proof: a station aimed at ordinary listeners, on a regular schedule, with programming worth tuning in for.
East Pittsburgh, home to a major Westinghouse works, was exactly the kind of place where that proof could be assembled quickly — plenty of engineering talent, plenty of equipment, and the will to try something that had never been done as a commercial venture.
People & events
The marker fixes the moment precisely: on November 2, 1920, from a makeshift studio at the East Pittsburgh Works of Westinghouse, KDKA went on the air and reported the returns of the Harding-Cox presidential election. It is widely recognized as the debut of the world's first commercial radio station.
Think about the choice of that first broadcast. An election night is a night when the whole country wants the same piece of information at the same moment, and wants it as fast as possible. Radio could deliver results while they were still fresh, to anyone with a receiver, without waiting for the morning paper. It was the perfect demonstration of what the medium could do that nothing before it could.
And, crucially, the experiment did not stop with a single night. The marker notes that music, sports, talks, and special events were soon being aired regularly. That word — regularly — is what turned a stunt into a station. A predictable schedule gave people a reason to buy a receiver and a habit of listening.
Its place in the American story
KDKA's first night opened the age of commercial broadcasting, and it is hard to overstate how much followed. A medium that could reach into countless homes at once would soon bind the nation together in a new way — Americans in distant places could now hear the same voices, the same music, the same news, at the same hour.
The ripple effects reshaped whole domains. News grew faster and more immediate. Entertainment found a national stage. Advertising discovered a way to speak directly into the home. Political life changed as candidates learned to address voters by voice. The daily programming rhythm invented in these early months — regular shows at regular times — remains the skeleton of broadcast media to this day.
What began in a rough studio at an industrial works became a template copied across the country and the world. The leap from a one-time election broadcast to a permanent, scheduled service is the moment radio stopped being an experiment and became an industry.
If you visit
Turtle Creek and the East Pittsburgh area still carry the feel of a great industrial valley, and that setting is the story. You are near the ground where the everyday machinery of broadcasting was first switched on — not a gleaming studio, but a working plant where engineers improvised a room and made history.
Stand with the marker and let the phrase "makeshift studio" sink in. The first commercial broadcast was cobbled together with available equipment and determination. Picture the tension of election night, results coming in, a small team sending them out into the dark to whoever was listening.
This is a natural anchor for a road trip tracing the birth of radio in western Pennsylvania. Pair it with the region's other early-broadcasting landmarks, and you will come away with a vivid sense of how a single night in an industrial suburb helped invent the way America listens.
Written by AI to add context, grounded in the marker’s inscription and the historical record. The inscription above is the original, unaltered text.
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Related events
- · First KDKA broadcast of the Harding-Cox election returns (November 2, 1920)
Themes & tags
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