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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
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25 dic 1656 anni - The pendulum clock is invented by Christiaan Huygens, so accurate that it only loses 10 seconds per day. Huygens will mention the date in a letter to Ismail Boulliau a year later

Aggiunto al nastro di tempo:

Data:

25 dic 1656 anni
Adesso
~ 368 years ago