29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
150599
13395
2
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
jan 1, 1929 - Jean Piaget's The Child's Conception of the World is published
Added to timeline:
14 Oct 2017
0
0
408
1998-2017
Date:
jan 1, 1929
Now
~ 95 years ago
