-0353 XX XX WAR Third Sacred War : Philip becomes Archon of Thessaly. -0353 XX XX WAR Third Sacred War : The Athenian army occupies Thermopylae . -0353 XX XX Clearchus of Heraclea is assassinated. -0353 XX XX Iphicrates dies. -0353 XX XX Mausolus dies. 352 B.C. Year of the Consulship