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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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30 jun 1837 año - 1837 Horace Mann became the first secretary of the Massachusetts Board of Education
Añadido al timeline:
History of Education
By
Shayla Hetletvedt
4 nov 2018
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329
fecha:
30 jun 1837 año
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~ 188 years ago
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