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1 gen 1953 anni - Polio
Descrizione:
When- March 26th, 1953, Dr. Jonas Salk announces on national radio that he has cured Polio with a vaccine and there were 58,000 more cases
Aggiunto al nastro di tempo:
11 set 2017
0
0
597
Health
Data:
1 gen 1953 anni
Adesso
~ 71 years ago