Centuries: 4th century BC - 3rd century BC - 2nd century BC
Decades: 300s BC 290s BC 280s BC 270s BC 260s BC - 250s BC - 240s BC 230s BC 220s BC 210s BC 200s BC
Years: 261 BC 260 BC 259 BC 258 BC 257 BC - 256 BC - 255 BC 254 BC 253 BC 252 BC 251 BC
Events
Luoyang falls without much resistance to the armies of the Qin, ending the reign of the emperor Zhou Nan Wang. Although a successor was appointed as Dong Zhou Hui Wang, traditionally in Chinese history this is considered the end ...
Centuries: 4th century BC - 3rd century BC - 2nd century BC
Decades: 320s BC 310s BC 300s BC 290s BC 280s BC - 270s BC - 260s BC 250s BC 240s BC 230s BC 220s BC
283 BC 282 BC 281 BC 280 BC 279 BC - 278 BC - 277 BC 276 BC 275 BC 274 BC 273 BC
Events
Nicomedes I became the first to assume the title of king (c.278 - c.248 BC) of Bithynia. This monarch founded Nicomedia, which soon rose to great prosperity.
The Gauls broke into Asia Minor, and a victory which Antiochus ...
Centuries: 4th century BC - 3rd century BC - 2nd century BC
Decades: 300s BC 290s BC 280s BC 270s BC 260s BC - 250s BC - 240s BC 230s BC 220s BC 210s BC 200s BC
Years: 259 BC 258 BC 257 BC 256 BC 255 BC - 254 BC - 253 BC 252 BC 251 BC 250 BC 249 BC
Events
First Punic War: The Romans capture Panormus in northern Sicily, but lost Agrigentum to the Carthaginian.
Births ...
Centuries: 4th century BC - 3rd century BC - 2nd century BC
Decades: 300s BC 290s BC 280s BC 270s BC 260s BC - 250s BC - 240s BC 230s BC 220s BC 210s BC 200s BC
Years: 257 BC 256 BC 255 BC 254 BC 253 BC - 252 BC - 251 BC 250 BC 249 BC 248 BC 247 BC
Births
Deaths
Tidas, tyrant of Sicyon assassinated.
Events
Annam (a kingdom in central Vietnam): Thuc ...
Centuries: 4th century BC - 3rd century BC - 2nd century BC
Decades: 300s BC 290s BC 280s BC 270s BC 260s BC - 250s BC - 240s BC 230s BC 220s BC 210s BC 200s BC
Years: 255 BC 254 BC 253 BC 252 BC 251 BC - 250 BC - 249 BC 248 BC 247 BC 246 BC 245 BC
Events
Greek astronomer Eratosthenes calculates the circumference of Earth.
Soghdiana is conquered by the Parthians.
Bactria gains its independence from the Seleucid Empire. (approximate date)
Antiochus II The ...
Centuries: 4th century BC - 3rd century BC - 2nd century BC
Decades: 310s BC 300s BC 290s BC 280s BC 270s BC - 260s BC - 250s BC 240s BC 230s BC 220s BC 210s BC
Years: 265 BC 264 BC 263 BC 262 BC 261 BC - 260 BC - 259 BC 258 BC 257 BC 256 BC 255 BC
Events
Battle of Changping: the army of the Qin state routs the army of Zhao, establishing its military superiority over all other Chinese states.
First Punic War:
Battle of the Lipara Islands: A Roman naval force unde ...
Centuries: 4th century BC - 3rd century BC - 2nd century BC
Decades: 310s BC 300s BC 290s BC 280s BC 270s BC - 260s BC - 250s BC 240s BC 230s BC 220s BC 210s BC
Years: 270 BC 269 BC 268 BC 267 BC 266 BC - 265 BC - 264 BC 263 BC 262 BC 261 BC 260 BC
265 BC - Events.
Archimedes, Greek mathematician, develops screw, specific gravity
Velzna, the last Etruscan city subdued by the Roman Republic
Acrotatus succeeds his father Areus I as king of SpartaIncluding:
Centuries: 4th century BC - 3rd century BC - 2nd century BC
Decades: 320s BC 310s BC 300s BC 290s BC 280s BC 270s BC 260s BC 250s BC 240s BC 230s BC 220s BC
Years: 277 BC 276 BC 275 BC 274 BC 273 BC 272 BC 271 BC 270 BC
Events
Pyrrhus of Epirus is killed in a street fight in Argos.
Alexander II becomes king of Epirus
Fall of Tarentum to the Romans.
Bindusara sends Mauryan army to conquer the Tamil countries. Kadamba is conquered.
Births
Deaths
Centuries: 4th century BC - 3rd century BC - 2nd century BC
Decades: 320s BC 310s BC 300s BC 290s BC 280s BC - 270s BC - 260s BC 250s BC 240s BC 230s BC 220s BC
278 BC 277 BC 276 BC 275 BC 274 BC - 273 BC - 272 BC 271 BC 270 BC 269 BC 268 BC
Births
Deaths
Events
Categories: Incomplete lists | 270s BC
...
Centuries: 4th century BC - 3rd century BC - 2nd century BC
Decades: 310s BC 300s BC 290s BC 280s BC 270s BC - 260s BC - 250s BC 240s BC 230s BC 220s BC 210s BC
Years: 268 BC 267 BC 266 BC 265 BC 264 BC - 263 BC - 262 BC 261 BC 260 BC 259 BC 258 BC
263 BC - Events.
First Punic War: The Roman consul Manius Valerius Messalla secures the alliance of Hiero II of Syracuse.
Eumenes I succeeds his uncle Philetaerus as king of Pergamon.
...
Centuries: 4th century BC - 3rd century BC - 2nd century BC
Decades: 310s BC 300s BC 290s BC 280s BC 270s BC - 260s BC - 250s BC 240s BC 230s BC 220s BC 210s BC
271 BC 270 BC 269 BC 268 BC 267 BC 266 BC - 265 BC 264 BC 263 BC 262 BC 261 BC
Births
Deaths
Mithridates I of Pontus (Founder of the Kingdom of Pontus)
Events
...
Centuries: 5th century BC - 4th century BC - 3rd century BC
Decades: 390s BC - 380s BC - 370s BC - 360s BC - 350s BC - 340s BC - 330s BC - 320s BC - 310s BC - 300s BC - 290s BC
347 BC 346 BC 345 BC 344 BC 343 BC 342 BC 341 BC 340 BC 339 BC 338 BC 337 BC
342 BC - Events.
Battle of Mount Gaurus: Roman general Marcus Valerius Corvus defeats the Samnites
Alexander I becomes king of Epirus
Battle of Maling: In the course of the Warring States Period in ...
Centuries: 5th century BC - 4th century BC - 3rd century BC
Decades: 390s BC 380s BC 370s BC 360s BC 350s BC - 340s BC - 330s BC 320s BC 310s BC 300s BC 290s BC
Years: 349 BC 348 BC 347 BC 346 BC 345 BC 344 BC 343 BC 342 BC 341 BC 340 BC
340s BC - Events and trends.
Category: 340s BC
...
Centuries: 4th century BC - 3rd century BC - 2nd century BC
Decades: 320s BC 310s BC 300s BC 290s BC 280s BC 270s BC - 260s BC 250s BC 240s BC 230s BC 220s BC
275 BC 274 BC 273 BC 272 BC 271 BC - 270 BC - 269 BC 268 BC 267 BC 266 BC 265 BC
270 BC - Events.
Hiero becomes tyrant of Syracuse.
Fall of Rhegium to the Romans.
270 BC - Births.
Apollonius of Rhodes, Author of the epic "Argonautica"
270 BC - Deaths.
Marcus Valerius Corvus, Roman her ...
Centuries: 5th century BC - 4th century BC - 3rd century BC
Decades: 400s BC 390s BC 380s BC 370s BC 360s BC - 350s BC - 340s BC 330s BC 320s BC 310s BC 300s BC
358 BC 357 BC 356 BC 355 BC 354 BC 353 BC 352 BC 351 BC 350 BC 349 BC 348 BC
353 BC - Events.
Battle of Volo: Philip II of Macedon defeats the Phocians in the Third Sacred War.
353 BC - Births.
353 BC - Deaths.
Iphicrates, Athenian general
King Mausolus
Nect ...
Centuries: 5th century BC - 4th century BC - 3rd century BC
Decades: 400s BC 390s BC 380s BC 370s BC 360s BC - 350s BC - 340s BC 330s BC 320s BC 310s BC 300s BC
355 BC 354 BC 353 BC 352 BC 351 BC - 350 BC - 349 BC 348 BC 347 BC 346 BC 345 BC
350 BC - Events.
Aristotle argues for a spherical Earth using lunar eclipses and other observations. Also he discusse ...
Centuries: 5th century BC - 4th century BC - 3rd century BC
Decades: 390s BC 380s BC 370s BC 360s BC 350s BC - 340s BC - 330s BC 320s BC 310s BC 300s BC 290s BC
352 BC 351 BC 350 BC 349 BC 348 BC 347 BC 346 BC 345 BC 344 BC 343 BC 342 BC
347 BC - Events.
347 BC - Births.
347 BC - Deaths. Including:
Centuries: 5th century BC - 4th century BC - 3rd century BC
Decades: 400s BC 390s BC 380s BC 370s BC 360s BC - 350s BC - 340s BC 330s BC 320s BC 310s BC 300s BC
359 BC 358 BC 357 BC 356 BC 355 BC 354 BC 353 BC 352 BC 351 BC 350 BC 349 BC
354 BC - Events.
Chios declares independence from Athens.
The Mausoleum at Halicarnassus, tomb of King Mausolus and one of the Seven Wonders of the World, is built.
354 BC - Births.
354 BC - Deaths.
Xenophon, Greek author
D ...
Centuries: 5th century BC - 4th century BC - 3rd century BC
Decades: 400s BC 390s BC 380s BC 370s BC 360s BC - 350s BC - 340s BC 330s BC 320s BC 310s BC 300s BC
360 BC 359 BC 358 BC 357 BC 356 BC 355 BC 354 BC 353 BC 352 BC 351 BC 350 BC
355 BC - Events.
355 BC - Births.
Lysimachus, a general under Alexander the Great, later King in Thrace and Asia Minor (approximate date).
355 BC - Deaths.
Eudoxus of Cnidus, Greek astronomer and mat ...
Centuries: 5th century BC - 4th century BC - 3rd century BC
Decades: 400s BC 390s BC 380s BC 370s BC 360s BC 350s BC 340s BC 330s BC 320s BC 310s BC 300s BC
364 BC 363 BC 362 BC 361 BC 360 BC 359 BC 358 BC 357 BC 356 BC 355 BC 354 BC
359 BC - Events.
The minor Amyntas IV succeeds his father Perdiccas as king of Macedonia. His uncle Philip II is appointed as his regent but eventually establishes himself as king
359 BC - Births.
Philip III of Macedon, brother and successor of ...