Before the French Revolution, France was under the royal rule, and the way to measure distance was arbitrary and didn’t use any scientific method. But everything changed with the revolution and together came the meter to replace the units of measure used in the Ancien Régime. The Paris meters were installed in busy street areas, between February 1796 and December 1797 and they were used to by people to measure, copy and confirm this new standard of measurement.
The Declaration of the Rights of Man and the Citizen is the most critical work of the French Revolution, but the unification of measurements changed the world. Before 1789, each region of France had its way of measuring length, area, and weight. Commerce between the areas was hard and putting prices on goods wasn’t simple.
With this in mind, the French Revolution decided to facilitate trade and create uniformity of measures and weights. After it became law, several years were necessary to spread the word about this new way of measuring throughout France. With Napoleon’s conquest of Europe, a few years later, the system was adopted by more countries.
In 1875, it was officially established as an international measurement unit by the Metre Convention of 1875. Today you can see it, pretty much, anywhere.
Like we said before, the meter wasn’t arbitrary like the previous unpredictable ways of measuring distance. The meter is scientific and was defined by French astronomers Jean Baptiste Joseph Delambre and Pierre Méchain when they measured 10 millionths of the distance from the North Pole to the Equator through a Paris meridian.
The last original standard meter is called mètre étalon in French and is a small piece of marble that can be found on a wall next to rue Vaugirard 36, across the street from the Senate at the Palais du Luxembourg. This is the only one of 16 that still exist today, and all of them were installed in 1791 when the Académie des Sciences defined what would be the meter.
If you want to visit the last original standard meter, pay attention to where you are since it’s really easy to miss. Follow the map below and look at the wall next to the bus stop.
You will be facing a piece of history that changed the way we live today!
Last Original Standard Meter in Paris
Mètre Étalon: The Last Original Standard Meter in Paris
36 Rue de Vaugirard, 75006
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