33
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
537720
44602
2
Public Timelines
FAQ

jan 1, 1808 - John Dalton suggests matter is made of elements, and defines pure substances

Description:

english scientist john dalton used observations from experiments to suggest matter is made of elements and defines them as pure substances
that contains no other substances.

Added to timeline:

Date:

jan 1, 1808
Now
~ 217 years ago