Editing 400 BC (section)

=== By place ===
* [[Artaxerxes II]], king of [[Achaemenid Empire|Persia]], appoints [[Tissaphernes]] to take over all the [[district]]s in [[Asia Minor]] over which Artaxerxes II's brother [[Cyrus the Younger|Cyrus]] had been governor before his revolt.<ref name=Diod1435>{{cite book|last=Siculus|first=Diodorus|title=Library|url=https://penelope.uchicago.edu/Thayer/E/Roman/Texts/Diodorus_Siculus/14C*.html#35|volume=XIV|chapter=35}}</ref><ref>Diod. XIV 35.2</ref>
* Tamõs, the [[satrap]] of [[Ionia]], fled from his [[satrapy]] in fear of the king's retribution. He loaded his possessions onto his satrapy's fleet of [[triremes]] and sailed to [[Ancient Egypt|Egypt]] seeking the protection of Psammetichus, the King of the Egyptians. Psammetichus executed Tamõs and his family and took his possessions and fleet for himself.<ref name=Diod1435>{{cite book|last=Siculus|first=Diodorus|title=Library|url=https://penelope.uchicago.edu/Thayer/E/Roman/Texts/Diodorus_Siculus/14C*.html#35|volume=XIV|chapter=35}}</ref><ref>Diod. XIV 35.4–5</ref>
* When the Greek cities of [[Ionia]] heard about [[Cyrus the Younger|Cyrus]]' defeat they knew [[Artaxerxes II|Artaxerxes]] would want to exact his revenge on them for supporting Cyrus. They sent several embassies to [[Sparta]] to request the [[Lacedaemonians]] assistance. The Spartans sent [[Thibron (harmost)|Thibron]] who recruits 5,000 soldiers to aid the Ionian Greeks.<ref name=Diod1435>{{cite book|last=Siculus|first=Diodorus|title=Library|url=https://penelope.uchicago.edu/Thayer/E/Roman/Texts/Diodorus_Siculus/14C*.html#35|volume=XIV|chapter=35}}</ref><ref name=Diod1436>{{cite book|last=Siculus|first=Diodorus|title=Library|url=https://penelope.uchicago.edu/Thayer/E/Roman/Texts/Diodorus_Siculus/14C*.html#36|volume=XIV|chapter=36}}</ref><ref>Diod. XIV 35.6 and 36.1–2</ref>
* Thibron embarks his army at the [[Isthmus of Corinth]] and sails to [[Ephesus]] on the Ionian coast. Upon arrival, he recruits an additional 2,000 soldiers and starts his campaign against [[Tissaphernes]].<ref name=Diod1436/><ref>Diod. XIV 36.2</ref>
* [[Xenophon]]'s "[[Ten Thousand (Greek)|Ten Thousand]]" make their way back to [[Greece]], with most of the men enlisting with the [[Sparta]]ns. 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|date=March 2024}}
* With the outbreak of the war between Sparta and the Persians, the [[Athens|Athenian]] admiral, [[Conon]], obtains joint command, with [[Pharnabazus (5th century BC)|Pharnabazus]], of a Persian fleet.{{citation needed|date=March 2024}}
* War breaks out between [[Sparta]] and [[Ancient Elis|Elis]].{{citation needed|date=March 2024}}
* [[London]] has its origins on a rise above marshy waters at the point where the [[Walbrook]] joins the [[River Thames]]. The [[Celt]]ic king, [[Belinus|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|date=March 2024}}
* [[Amyrtaeus]] of [[Sais]] successfully completes a revolt against Persian control by gaining control of all of [[Upper Egypt]].<ref>{{cite book|first=Muhammed Abdulkadyrovič|last=Dandamaev|translator-first=Willem|translator-last=Togelsang|title=A Political History of the Achaemenid Empire|publisher=Brill|location=Leiden|isbn=978-9-00409-172-6|pages=272–273|url=https://books.google.com/books?id=ms30qA6nyMsC}}</ref>
* The [[Olmec]] culture in [[Mesoamerica]] comes to an end as its city of [[La Venta]] is abandoned (approximate date).{{citation needed|date=March 2024}}
* [[San Lorenzo Tenochtitlán]] is abandoned (approximate date).{{citation needed|date=March 2024}}
* The [[Bianzhong of Marquis Yi of Zeng|Bianzhong of the Marquis Yi]] of Zheng are cast.<ref>{{cite book|first=Francis D. K.|last=Ching|title=A Global History of Architecture|location=Newark|publisher=John Wiley & Sons|year=2017|isbn=978-1-11898-133-7|page=152}}</ref>
*[[India]] had the biggest epic on earth - The [[Mahabharata]].{{citation needed|date=March 2024}}