Main Page | See live article | Alphabetical index Centuries: 5th century BC - 4th century BC - 3rd century BC Decades: 360s BC 350s BC 340s BC 330s BC 320s BC 310s BC 300s BC 290s BC 280s BC 270s BC 260s BC Years: 315 BC 314 BC 313 BC 312 BC 311 BC - 310 BC - 309 BC 308 BC 307 BC 306 BC 305 BC Events Battle of Lake Vadimo: The Romans defeat the Etruscans. Macedonian king Antigonus founded Antigonea, later known as Nicaea and Iznik (approximate year) Agathocles, tyrant of Syracuse, leads a counterstrike against Carthage Antigonia Troas (later known as Alexandria Troas) and Antigoneia (later known as Nicaea) are founded by Antigonus I of Macedon Births Aratus, Macedonian Greek mathematician, astronomer, meteorologist, botanist and poet (possibly born in 315 BC) Aristarchus, Greek astronomer and mathematician Deaths Kidinnu, Babylonian astronomer (approximate year). Heraclitus of Heraclea Pytheas, Greek merchant, geographer and explorer This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.