Answer :
Answer:
magnets were discovered in 1845 in a region of northern Greece called Magnesia
Answer: 2500 years ago
Explanation:
The earliest known surviving descriptions of magnets and their properties are from Greece, India, and China around 2500 years ago. The properties of lodestones and their affinity for iron were written of by Pliny the Elder in his encyclopedia Naturalis Historia.
there u go hope it help :D