29
/es/
es
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
703463
59601
2
Crear
Public Timelines
Biblioteca
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
4 h 1 m, 9 ene 1954 año - In 1954, he was elected the president of the International Union of Scientific Psychology and held this position till 1957.
Añadido al timeline:
7 feb 2018
0
0
286
Jean Piaget
fecha:
4 h 1 m, 9 ene 1954 año
Ahora mismo
~ 70 years ago