|Millennium:||1st millennium BC|
|295 BC by topic|
Year 295 BC was a year of the pre-Julian Roman calendar. It was known at the time as the Year of the Consulship of Rullianus and Mus (or, less frequently, year 459 Ab urbe condita). The denomination 295 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
- The Battle of Sentinum west of Anconum ends in defeat for a formidable coalition of Samnites, Etruscans, Umbri, and their Gallic allies at the hands of the Roman legions commanded by consuls Publius Decius Mus (who is killed in the battle) and Quintus Fabius Maximus Rullianus. The Romans lose nearly 8,000 men but kill some 25,000 of the enemy and force peace on the Etruscans.
- August 19 – The first temple to Venus, the Roman goddess of love, beauty and fertility, is dedicated by Quintus Fabius Maximus Gurges during the Third Samnite War
- Athens falls to Demetrius Poliorcetes after a bitter siege, and its tyrant Lachares is killed.
- The King of Macedon, Antipater II, murders his mother Thessalonike, accusing her of being too fond of his brother and co-ruler Alexander V.
- Apollonius of Rhodes, Greek poet
- Thessalonike of Macedon, daughter of king Philip II of Macedon and wife of Cassander (b. 352 BC)
- Publius Decius Mus, Roman consul (killed in the battle of Sentinum)
- Zhuangzi, Chinese philosopher
- King Wuling of Zhao, king of the Chinese State of Zhao