Family information unknown

General

Population: About 162 million*

• Births: Plato (427 BC)
• Entertainment: Aristophanes writes "The Clouds" (423 BC)
  Aristophanes writes "The Peace" (421 BC)
• Medicine: Hippocrates introduces scientific medicine (429 BC)
• Philosophy: Sophistry and moral relativism invented, including "Man is the measure of all things" under Protagoras (d. 421 BC)
• Deaths: Pericles of Athens (429 BC), Greek philosopher Anaxagoras (428 BC), "Father of History" Herodotus (424 BC), Artaxerxes of Persia (424 BC), Cratinus the Greek comedian (421 BC), Protagoras inventor of moral relativism and sophistry (421 BC), Greek sculptor Polyclitus (420 BC), Epaminodas of Thebes (420 BC)

Americas

• General: Enos gives the Plates of Nephi to son Jarom - Enos dies (420 BC)

Asia

• China: End of Chou dynasty (429 BC)

Europe

• Greece: Start of Second (Great) Peloponnesian War (429 BC)
  Death of Pericles from plague - Cleon and Nicias rule (429 BC)
  Earthquake and tsunami changes Peloponnesian war (426 BC)
  Atomists present in Greece (425 BC)
  Greeks take 292 Spartans as prisoners (425 BC)
  Thrcydudes exiled from Athens (424 BC)
  End of plague in Athens (423 BC)
  End of Second Peloponnesian War with Peace of Nicias (421 BC)

Middle East

• Persia: Artaxerxes (Xerxes II) becomes king but is assassinated and Darius II rules to 404 BC (424 BC)