Barcelona and the history of the metre

Barcelona and the history of the metre

Barcelona is part of the history of the metric system and specifically the history of the metre

On 16th March 1794 French astronomers Jean Baptiste Joseph Delambre and Pierre François André Méchain measured the meridian arc distance from Dunkirk in France to Barcelona in Spain using the tower on Montjuic castle as the reference point in Barcelona. 

Using this measurement they defined the distance of 1m for the first time.

Montjuic castle
Montjuic hill
Near Montjuic hill
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