Meter defined - March 30, 1791
This Day in History Class - Ein Podcast von iHeartPodcasts and HowStuffWorks
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On this day in 1791, the French National Assembly accepted a proposal by the French Academy of Sciences to define the meter.
This Day in History Class - Ein Podcast von iHeartPodcasts and HowStuffWorks
On this day in 1791, the French National Assembly accepted a proposal by the French Academy of Sciences to define the meter.