Editing 277 BC (section)

== Events ==
<onlyinclude>

=== By place ===
==== Greece ====
* [[Antigonus II Gonatas|Antigonus]] crosses the [[Dardanelles|Hellespont]] and defeats the [[Celt]]s under the command of Cerethrius at the [[Battle of Lysimachia]] near [[Lysimachia (Thrace)|Lysimachia]] at the neck of the [[Thracian Chersonese]]. After this success, he is acknowledged by the [[Macedon]]ians as their king.

==== Sicily ====
* [[Pyrrhus of Epirus|Pyrrhus]] captures [[Eryx (Sicily)|Eryx]], the strongest [[Carthage|Carthaginian]] fortress in [[Sicily]]. This prompts the rest of the Carthaginian-controlled cities in Sicily to defect to Pyrrhus.

==== Italy ====
* [[Battle of the Cranita hills|Battle of the Cranita Hills]]: Roman forces are defeated by the [[Samnites]] at the Cranita Hills during the [[Pyrrhic War]].<ref>Dio, Cassius. ''[[Roman History|Historia Romana]]''.</ref>
* Consul [[Publius Cornelius Rufinus (consul 290 BC)|Publius Cornelius Rufinus]] campaigns against the [[Lucanians]] and the [[Bruttians]] and captures [[Crotone]].