History of the metre

Belfry, Dunkirk – the northern end of the meridian arc

Fortress of Montjuïc – the southern end of the meridian arc

The north and south sections of the meridinal survey met at Rodez Cathedral, seen here dominating the Rodez skyline.

Legend for the first metre measurement, Vaugirard, Paris

In the aftermath of the French Revolution (1789), the old units of measure that were associated with the Ancien Régime were replaced by new units. The livre was replaced by the decimal franc, and a new unit of length was introduced which became known as the metre. Although there was initially considerable resistance to the adoption of the new metric system in France (including an official reversion to the mesures usuelles (French for: "normal units") for a period of time), the metre gained following in continental Europe during the mid nineteenth century, particularly in scientific usage, and was officially adopted as an international measurement unit by the Metre Convention of 1875.

单词	International Prototype Meter
释义	International Prototype Meter 英语百科 History of the metre In the aftermath of the French Revolution (1789), the old units of measure that were associated with the Ancien Régime were replaced by new units. The livre was replaced by the decimal franc, and a new unit of length was introduced which became known as the metre. Although there was initially considerable resistance to the adoption of the new metric system in France (including an official reversion to the mesures usuelles (French for: "normal units") for a period of time), the metre gained following in continental Europe during the mid nineteenth century, particularly in scientific usage, and was officially adopted as an international measurement unit by the Metre Convention of 1875.
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International Prototype Meter

History of the metre