33
/es/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
1914704
157982
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
Acuerdo
Privacidad
FAQ
Support 24/7
Cabinet
Get premium
Donate
20 jun 1942 año - Primer tratamiento con penicilina a cargo de H. W. Florey.
Añadido al timeline:
Alexander Fleming
By
Zayra Serrano
16 oct 2018
0
0
416
fecha:
20 jun 1942 año
Ahora mismo
~ 83 years ago
Fotos:
About & Feedback
Acuerdo
Privacidad
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