Editing 315 BC (section)

== Events ==
<onlyinclude>

=== By place ===

==== Macedonian Empire====
* [[Antigonus I Monophthalmus|Antigonus]] claims authority over most of Asia, seizes the treasury at [[Susa]] and enters [[Babylon]], where [[Seleucus I Nicator|Seleucus]] is governor. Seleucus flees to Ptolemy in [[Ancient Egypt|Egypt]] and enters into a league with him, [[Lysimachus]] (the ruler of [[Thrace]]) and Cassander, against Antigonus. This leads to the ''First Coalition War''.
* [[Aristodemus of Miletus]], by order of [[Antigonus I Monophthalmus|Antigonus]], sails to Laconia, where he receives permission from the Spartans to recruit 8000 mercenaries. He also meets [[Alexander (son of Polyperchon)|Alexander]] and [[Polyperchon]], thus establishing friendship between them and Antigonus <ref name="Diodorus12">{{cite book|last=Siculus|first=Diodorus|title=Library|url=https://penelope.uchicago.edu/Thayer/E/Roman/Texts/Diodorus_Siculus/19C*.html#60|volume=XIX|chapter=60}}</ref>
* [[Polyperchon]] is appointed general of the [[Peloponnesus]]<ref name="Diodorus12"/> 
* [[Alexander (son of Polyperchon)]] sails to [[Antigonus I Monophthalmus|Antigonus]] in Asia. They make a pact of friendship and, by order of Antigonus, Alexander sails back to the [[Peloponnesus]]<ref name="Diodorus13">{{cite book|last=Siculus|first=Diodorus|title=Library|url=https://penelope.uchicago.edu/Thayer/E/Roman/Texts/Diodorus_Siculus/19C*.html#61|volume=XIX|chapter=61}}</ref>       
* [[Peithon]] consolidates his power base in the eastern part of the Empire. 
* [[Antigonus I Monophthalmus|Antigonus]] drives out [[Cassander]]'s [[Macedon]]ian forces of occupation from the Greek islands and forms the island cities in the [[Aegean Sea|Aegean]] into the "League of the Islanders", preparatory to his invasion of [[Ancient Greece|Greece]]. His ally, the city of [[Rhodes, Greece|Rhodes]], furnishes him with the necessary fleet.

==== Greece ====
* The King of [[Epirus]], [[Aeacides]], faces a revolt from his people and they drive him from the kingdom. His son, [[Pyrrhus of Epirus|Phyrrhus]], who is then only two years old, is saved from being killed by some faithful servants. Cassander takes control of Epirus.
* In Macedonia the port city of [[Thessaloniki]] is founded by [[Cassander]] and named after his wife [[Thessalonike of Macedon|Thessalonike]].
*[[Cassander]] appoints [[Apollonides (governor of Argos)|Apollonides]] as Governor of Argos<ref name="Diodorus14">{{cite book|last=Siculus|first=Diodorus|title=Library|url=https://penelope.uchicago.edu/Thayer/E/Roman/Texts/Diodorus_Siculus/19C*.html#63|volume=XIX|chapter=63}}</ref>      
*[[Apollonides (governor of Argos)|Apollonides]] initiates a raid on [[Arcadia (ancient region)|Arcadia]] during the night.<ref name="Diodorus14"/>      
*[[Cassander]] sends [[Prepelaus]] to [[Alexander (son of Polyperchon)]] and he convinces Alexander to desert Antigonus by offering command of all the Peloponnesus and making him general of an army<ref name="Diodorus14"/>

==== Cyprus ====
* [[Ptolemy I Soter|Ptolemy's]] armies fight supporters of Antigonus in [[Cyprus]]. Ptolemy is able to re-conquer the island.

==== Sicily ====
* [[Agathocles]], the tyrant of [[Syracuse, Sicily|Syracuse]], seizes the city of [[Messina, Italy|Messina]].

==== Roman Republic ====
*The [[Ancient Rome|Romans]] take [[Ferentum]], a city of Apulia, and this pushes the citizens of [[Nuceria]] to end their friendship with Rome.<ref name="Diodorus15">{{cite book|last=Siculus|first=Diodorus|title=Library|url=https://penelope.uchicago.edu/Thayer/E/Roman/Texts/Diodorus_Siculus/19C*.html#65|volume=XIX|chapter=65}}</ref>
* The [[Samnites]] defeat a [[Roman Republic|Roman]] army led by [[Roman dictator|dictator]] [[Quintus Fabius Maximus Rullianus]] at the [[Battle of Lautulae]].<ref>{{cite web|last=Rickard|first=J.|title=Battle of Lautulae, 315 BC|url=http://www.historyofwar.org/articles/battles_lautulae.html|accessdate=2011-11-13}}</ref>

=== India ===
*The Indian king [[Porus the Elder|Porus]], ally of [[Alexander The Great]], is killed by [[Eudemus (general)|Eudemus]], another general of Alexander. The son of Porus, Malayketu, seizes his territory back by killing Eudemus.