33
/pt/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
8627162
821068
2
Public Timelines
Public TimelinesFAQ
Public TimelinesFAQ
For educational institutions For teachers For students Cabinet
For educational institutions For teachers For students Open cabinet
Criar
Create a timeline
Public timelines
Library
FAQ

4 jan 1914 ano - The ECG (Electrocardiograph) was invented

Adicionado na linha do tempo:

Health Timeline - Semaj Johnson

BySemaj
15 ago 2023
2
0
221

Data:

4 jan 1914 ano
Agora
~ 111 years ago
About & FeedbackAcordoPrivacidadeBibliotecaFAQ
Support 24/7  
CabinetGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL