33
/pt/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
2177008
180868
1
Create a timeline
Public Timelines
For educational institutions For teachers For students Cabinet
For educational institutions For teachers For students Open cabinet
FAQ
Create a timeline
Public timelines
FAQ
About & FeedbackAcordoPrivacidadeFAQ
Support 24/7  
CabinetGet premium
Donate

31 ago 1821 ano - Гельмгольц

Descrição:

Внес вклад в развитие акустики и медицины, химии и физики. Так например, он открыл закон сохранения энергии, построил модель уха, изобрел офтальмоскоп.

Adicionado na linha do tempo:

New timeline

ByЕфим
2 dez 2018
2
0
993

Data:

31 ago 1821 ano
Agora
~ 204 years ago

Imagens:

About & FeedbackAcordoPrivacidadeFAQ
Support 24/7  
CabinetGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL