33
/pt/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
9009695
857943
2
Create a timeline
Public Timelines
For education
For educational institutions
For teachers
For students
Cabinet
For educational institutions
For teachers
For students
Open cabinet
FAQ
Close
Create a timeline
Public timelines
FAQ
About & Feedback
Acordo
Privacidade
FAQ
Support 24/7
Cabinet
Get premium
Donate
1 jan 1960 ano - U.S. government licenses OPV
Descrição:
developed by Dr. Albert Sabin.
Adicionado na linha do tempo:
Polio Timeline
By
Tyler Heald
19 nov 2023
0
0
366
Data:
1 jan 1960 ano
Agora
~ 65 years ago
About & Feedback
Acordo
Privacidade
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
