33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
1783792
144692
2
Public Timelines
FAQ

jan 1, 1803 - Dalton proposes his atom model circa 1803

Added to timeline:

Date:

jan 1, 1803
Now
~ 223 years ago