7 ч 47 мин, 1 янв 1913 г. - Niels Bohr created the Bohr model of the atom based on Rutherford's atomic model and Planck's quantum theory. In the 1930s, Bohr helped refugees from the Nazi regime.
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7 ч 47 мин, 1 янв 1913 г.
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~ 112 г назад