33
/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
3375
371
2
Public Timelines
Menu
Public Timelines
FAQ
Public Timelines
FAQ
For education
For educational institutions
For teachers
For students
Cabinet
For educational institutions
For teachers
For students
Open cabinet
Create
Close
Create a timeline
Public timelines
Library
FAQ
dec 29, 1913 - Р. Мейер предложил помещать все редкоземельные элементы в побочной подгруппе III группы периодической системы.
Added to timeline:
Великие открытия в ХХ веке.
By
Юра
13 Jun 2017
2
0
4117
Date:
dec 29, 1913
Now
~ 111 years ago
Images:
About & Feedback
Terms
Privacy
Library
FAQ
Support 24/7
Cabinet
Get premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL