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3 jul 1956 ano - The National Health Survey Act

Descrição:

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.

Adicionado na linha do tempo:

Data:

3 jul 1956 ano
Agora
~ 69 years ago

Imagens: