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The Eiffel Tower Was Meant to Be Torn Down — A Radio Antenna Saved It

March 28, 2026 · 4 min read

The Fact

The Eiffel Tower was originally planned to be dismantled after 20 years but was saved because it became a vital radio antenna.

Built to Be Torn Down

The Eiffel Tower was conceived and constructed as a temporary exhibit for the 1889 World's Fair in Paris, held to celebrate the centennial of the French Revolution. Gustave Eiffel's company won a competition to design the fair's centerpiece, and the tower — which took approximately two years and three months to build using a then-novel approach of prefabricated iron components assembled with precision — was from the start a showcase of industrial engineering rather than a permanent addition to the city.

The contract Eiffel signed with the City of Paris was explicit: the tower would stand for 20 years, then be dismantled. The land and the structure would revert to the city at that point, which could then choose what to do with the materials. The iron and steel of the tower — about 7,300 tonnes of it — had obvious salvage value, and city planners expected to reclaim the prominent riverside site for other uses.

Not everyone wanted the tower to disappear. It had been deeply controversial from the moment construction began. A petition signed by 300 prominent artists and intellectuals, including Guy de Maupassant, Émile Zola, and Charles Gounod, condemned it as an eyesore — a "truly tragic street lamp" and "useless and monstrous" blot on the Parisian skyline. Yet others recognized it as a masterpiece of modern engineering, and public opinion gradually warmed to it during the fair, which drew nearly two million visitors specifically to climb it.

The Antenna That Changed Everything

As the 20-year deadline approached, Gustave Eiffel and others were looking for reasons to justify the tower's survival. The answer came from the rapidly developing science of wireless telegraphy. In the early 1900s, radio communication was emerging as a technology of potentially enormous military and commercial importance, and tall antenna installations were needed to extend its range.

The Eiffel Tower, standing 300 meters — a height that would not be surpassed by any other structure on Earth for over 40 years — was an obvious candidate for a permanent wireless transmission station. By 1903, the French military had established a radio antenna at the tower's summit. The installation proved so useful that the city found it impossible to justify demolition. In 1906, a permanent wireless telegraphy station was established there, and in 1909 — the year the demolition contract expired — the city of Paris exercised its option to take ownership and keep the structure standing.

During World War I, the tower's radio station played a direct military role. In 1914, it intercepted German communications that revealed the position of German forces during the First Battle of the Marne, information that contributed to the French military response that halted the German advance on Paris. The tower had, in a very real sense, helped save the city that had once debated destroying it.

From Industrial Curiosity to Cultural Icon

The Eiffel Tower's transformation from controversial temporary structure to beloved symbol of France and of Paris in particular took decades but proved complete. By the mid-twentieth century it appeared in films, advertisements, and art as shorthand for romance, style, and European sophistication. Annual visitor numbers surpassed six million, making it the most-visited paid tourist attraction on the planet.

The tower has been repainted 19 times since its construction, a process that requires 60 tonnes of paint each time and takes 18 months to complete. Its original reddish-brown color has given way to the distinctive "Eiffel Tower brown" — a custom shade that emphasizes warmth in sunlight. An illumination system added in 1985 lights it at night, and since 2000 a sparkling light display activates for several minutes each hour after dark.

The critics who called it a blight on Paris could not have imagined that their descendants would consider it the defining image of the city itself.


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FactOTD Editorial Team

Published March 28, 2026 · 4 min read

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