400 BC

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Year 400 BC was a year of the pre-Julian Roman calendar. In the Roman Republic, it was known as the Year of the Tribunate of Esquilinus, Capitolinus, Vulso, Medullinus, Saccus and Vulscus (or, less frequently, year 354 Ab urbe condita). The denomination 400 BC for this year has been used in Europe since the early medieval period, when the Anno Domini calendar era became prevalent there.

Events

By place

• Asia Minor over which Artaxerxes II's brother Cyrus had been governor before his revolt.^{[citation needed}
  ]
• Ten Thousand" make their way back to Greece, with most of the men enlisting with the Spartans. Xenophon's successful march through the Persian Empire encourages Sparta to turn on the Persians and begin wars against the Persians in Asia Minor.^{[citation needed}
  ]
• With the outbreak of the war between Sparta and the Persians, the
  Pharnabazus, of a Persian fleet.^{[citation needed}
  ]
• War breaks out between Sparta and Elis.^{[citation needed]}
• Celtic king, Belin, rebuilds an earth wall surrounding a few dozen huts and orders a small landing place to be cut into the south side of the wall, along the river front, where a wooden quay is built (approximate date).^{[citation needed}
  ]
• Sais successfully completes a revolt against Persian control by gaining control of all of Upper Egypt.^[1]
• The
  Olmec culture in Mesoamerica comes to an end as its city of La Venta is abandoned (approximate date).^{[citation needed}
  ]
• San Lorenzo Tenochtitlán is abandoned (approximate date).^{[citation needed]}
• The Bianzhong of the Marquis Yi of Zheng are cast.^[2]
• India had the biggest epic on earth - The Mahabharata.^{[citation needed]}

By topic

• The catapult is invented by Greek engineers.^{[citation needed]}
• The Mature classical period of
  Late Classical) period (approximate date).^{[citation needed}
  ]
• A model of the Acropolis of Athens is made. It is now kept at the Royal Ontario Museum in Toronto, Ontario, Canada (approximate date).^{[citation needed]}
• Theodorus from
  Asia Minor, builds the Tholos of Delphi, the sanctuary of Athena Pronaia in Delphi (approximate date).^{[citation needed}
  ]
• Dionysius I, Greek tyrant of Syracuse, confiscates gold and silver coins and re-mints them, keeping the weight the same but changing the denomination from one to two drachmae — the first known official devaluation at the expense of the general population. A virulent inflation ensues (approximate date).^{[citation needed]}
• epoch that is to end in an Armageddon and triumph of good and evil.^{[citation needed}
  ]
• Brahmanism starts evolving in Hinduism, a process which takes place over the following 200 years (approximate date).^{[citation needed}
  ]

• Macedonian general (d. 319 BC).^[3]
• Parmenion, Macedonian general under Alexander the Great (d. 330 BC).^[4]

Deaths

• Aspasia of Miletus, widow of Pericles of Athens (approximate date) (b. c. 470 BC)
• Siddhārtha Gautama (also known as Buddha), founder of Buddhism
  (approximate date)
• Thucydides, Greek historian (approximate date) (b. c. 460 BC)

References