When did the following event happen?
Isaac Newton publishes Principia Mathematica, laying the foundation of modern physics.
Select a space in the timeline below.
904
Gunpowder is used for the first time in warfare by the Chinese, despite being originally produced by Taoist alchemists seeking an elixir of life.
Note:
BCE means that the date is the number of years before the current era (CE/AD).
c. is short for 'circa' and indicates that the date is considered approximate.