25
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
January 31, 2021
4719760
442616
2
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
jan 1, 1933 - Леополд О. США. Предложил понятие «краевой эффект»
Added to timeline:
2 months ago
0
0
42
New timeline
Date:
jan 1, 1933
Now
~ 88 years ago
Images:
