Meter defined - March 30, 1791
This Day in History Class - Podcast készítő iHeartPodcasts and HowStuffWorks
Kategóriák:
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 - Podcast készítő 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.