33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
159828
14164
2
Public Timelines
FAQ Get premium

apr 4, 1755 - 1755

Description:

Carl Wilhelm scheele develops the first test for arsenic

Added to timeline:

17 Oct 2017
0
0
603

Date:

apr 4, 1755
Now
~ 270 years ago