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/it/
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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
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23 giug 1879 anni - National board of Health Created
Descrizione:
Collected all information on public health, and would fund programs for health research.
Aggiunto al nastro di tempo:
8 feb 2018
0
0
404
History of Health Education timeline
Data:
23 giug 1879 anni
Adesso
~ 144 years ago