41
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
May 31, 2026
5892847
560144
2
Public Timelines
FAQ

jan 1, 1773 - 1727 Johann Heinrich Schulze discovered that silver nitrate darkened upon exposure to light.

Added to timeline:

14 Oct 2021
0
0
612

Date:

jan 1, 1773
Now
~ 253 years ago

Images: