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Jean Piaget was born to Arthur Piaget and Rebecca Jackson in Neuchâtel, Switzerland, on the 9th of August in 1986.
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(Actual day may vary) Piaget wrote his first paper on an albino sparrow.
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(Actual day may vary) Piaget became the director of studies at the J.-J. Rousseau Institute in Geneva.
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(Actual day may vary) Jean married Valentine Châtenay.
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(Actual day may vary) psychology, sociology and history of science at Neuchâtel from 1925 to 1929
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(Actual day may vary) Piaget's first child is born
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(Actual day may vary) Piaget's second child is born
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Chairman of history of scientific thinking at Geneva from 1929 to 1939
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(Actual day may vary) The International Bureau of Education from 1929 to 1967
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(Actual day may vary) Chairman of Psychology and Sociology at Lausanne from 1938 to 1951
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(Actual day may vary) Sociology at Geneva from 1939 to 1952.
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(Actual day may vary) Chairman of Genetic and Experimental Psychology from 1940 to 1971
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Piaget dies at the age of 84.