29
/pt/
pt
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
1513346
118330
2
Criar
Public Timelines
Biblioteca
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
1 mar 1979 ano - Polio was eliminated in the United States with the help of vaccinations in 1979
Adicionado na linha do tempo:
29 ago 2018
0
0
170
History of vaccines
Data:
1 mar 1979 ano
Agora
~ 45 years ago