Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Receber premium

Create a timeline

Public timelines

About & Feedback Acordo Privacidade FAQ

Cabinet Get premium

Donate

1 jan 1939 ano - DDT insecticide properties discovered by Swiss chemist Paul Müller

Adicionado na linha do tempo:

Wildlife Toxicology Case Study TImeline

ByAJ

28 dez 2021

0

0

182

Data:

1 jan 1939 ano

Agora

~ 86 years ago

About & Feedback Acordo Privacidade FAQ

Cabinet Get premium

Donate