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1 jan 1878 ano - The National Conference of Charities and Corrections is established by members of state boards of charities dedicated to scientific charity, which includes institutions for deaf, blind, and mentally retarded students.

Adicionado na linha do tempo:

History of special education

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12 ago 2019
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2721

Data:

1 jan 1878 ano
Agora
~ 147 years ago
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