370 BC

Year 370 BC was a year of the pre-Julian Roman calendar. 

 Events 
 By place 
 Greece 
 The Spartans under King Agesilaus II invade Arcadia. After asking the Athenians for help, Arcadia turns to the Thebans. Epaminondas of Thebes comes with an army, finds the Spartan have left and follows them.
 With the support of Thebes, the Arcadian capital city of Megalopolis is completed.
 The tagus of Thessaly, Jason of Pherae, dies.

 By topic 
 Art 
 The sculptor Praxiteles begins his active career in Athens (approximate date).

 Mathematics 
 Eudoxus of Cnidus develops the method of exhaustion for mathematically determining the area under a curve.

 Births 

 Marcus Valerius Corvus, Roman hero
 Theophrastus, Greek philosopher, a native of Eressos in Lesbos, the successor of Aristotle in the Peripatetic school (d. c. 285 BC)

 Deaths 

 Agesipolis II, Agiad king of Sparta
 Democritus of Abdera, Greek philosopher (approximate date) (b. c. 460 BC)
 Hippocrates of Cos, Greek physician (b. c. 460 BC)
 Jason of Pherae, ruler of Thessaly

Category:370s BC