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Dmitri Ivanovich Mendeleev was born in Tobolsk
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He entered the Pedagogical University
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Mendeleev graduated from the university
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Young sientist began reading lectures at the Petersburg university
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Mendeleev publicated the first book called "Organic chemistry"
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He married F.N.Leshcheva
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D.I. Mendeleev founded the Russian chemical society
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Chemist created the periodic system of chemical elements
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He married A.I.Popova
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Scientist died in Saint- Petersburg
