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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
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Objevy 1917 - 1932
Created by
ANNA
⟶ Updated 7 Dec 2018 ⟶
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Events
Objeven chemický prvek Protaktinium
Objeven Proton
Objeven chemický prvek Hafnium
Objevena planeta Pluto
Objeven chemický prvek Rhenium
Objeveno Semitské město (Uragit)
Objeven Penicilin
Objeven Neutron
Objeven Pozitron (neboli antielektron)