6 nov 1911 anni - 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
Aggiunto al nastro di tempo:
Data:
6 nov 1911 anni
Adesso
~ 112 years ago
