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1 Jan 1876 Jahr - The Association of Medical Officers of American Institutions for Idiots and Feeble-Minded Persons is formed (which late; in 1933, becomes the American Association on Mental Deficiency, then the American Association on Mental Retardation in 1987). In 2006, it becomes the American Association on Intellectual and Developmental Disabilities.

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History of special education

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1 Jan 1876 Jahr
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~ 149 years ago
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