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3 lugl 1956 anni - The National Health Survey Act

Descrizione:

President Eisenhower signed the National Health Survey Act of 1956. This began the process of collecting statistics on a wide range of health issues. Went into the field for the first time in 1957.

Aggiunto al nastro di tempo:

Data:

3 lugl 1956 anni
Adesso
~ 69 years ago

Immagini: