6 ноя 1911 г. - 1911 - The first Montessori school in the U.S. opens in Tarrytown, New York. Two years later (1913), Maria Montessori visits the U.S., and Alexander Graham Bell and his wife Mabel found the Montessori Educational Association at their Washington, DC, home
Добавлено на ленту времени:
Дата:
6 ноя 1911 г.
Сейчас
~ 112 г назад
