View source for 464 BC

=== By place ===
==== Greece ====
* [[Sparta]] suffers the effects of a [[464 BC Sparta earthquake|severe earthquake]] leading to a large loss of life.<ref>{{cite book |last=Oman |first=C.W.C. |author-link= |date=1890 |title=A History of Greece, from the Earliest Times to the Death of Alexander the Great |url=https://books.google.com/books?id=85stAQAAMAAJ&dq=464+BC&pg=PA252 |location=London, UK |publisher=Rivingtons |pages=252–253 |isbn=}}</ref>
* When the [[Messenia]]n helots (serfs) revolt against their Spartan masters following the severe earthquake, King [[Archidamus II]] organises the defence of Sparta. The helots fortify themselves at Mount [[Ithome]].

==== Persian Empire ====
* [[Egypt]] seizes the opportunity created by the murder of [[Xerxes I]] to revolt against [[Achaemenid Empire|Persia]]. The revolt is led by [[Inaros II|Inaros]], a [[Libya]]n, who gains control of the Delta region and is aided by the Athenians.
* [[Artaxerxes I]] succeeds Xerxes as king of the Persian empire.
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