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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
June 15, 2024
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14 ore 24 min, 1 gen 1900 anni - Early 1900s: Lanthanides were finally understood. Actinides were discovered.

Aggiunto al nastro di tempo:

Data:

14 ore 24 min, 1 gen 1900 anni
Adesso
~ 124 years ago