29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
536665
45713
2
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
jul 17, 1961 - Harry H. Hess
Description:
Discovered sea floor spreading.
Added to timeline:
11 Jan 2018
0
0
253
The History of Plate Tectonics
Date:
jul 17, 1961
Now
~ 62 years ago
Images:
