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jan 14, 1901 - пересмотрена программа Кайгородова, в школы вводят программу профессора В.М Шимкевича, в основу которой положены идеи А.Я. Герда. Предмет стал называться «Природоведение».
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Анна Панфилова
15 Oct 2017
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