41
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
May 31, 2026
156986
12750
2
Public Timelines
FAQ

aug 28, 1776 - Carl Wihelm Scheele (1742-1786) develops the first test for arsenic.

Added to timeline:

16 Oct 2017
0
0
707

Date:

aug 28, 1776
Now
~ 249 years ago