Centuries: 4th century BC - 3rd century BC - 2nd century BC These pages contain the trends of millennia and centuries. ... (5th century BC - 4th century BC - 3rd century BC - other centuries) (2nd millennium BC - 1st millennium BC - 1st millennium AD) Events Invasion of the Celts into Ireland Gauls sack Rome Kingdom of Macedon conquers Persian empire The Scythians are beginning to be absorbed into the Sarmatian people. ... (4th century BC - 3rd century BC - 2nd century BC - other centuries) (2nd millennium BC - 1st millennium BC - 1st millennium AD) Events The first two Punic Wars between Carthage and Rome over dominance in western Mediterranean Rome conquers Spain Great Wall of China begun Indian traders regularly visited Arabia Scythians occupy... (3rd century BC - 2nd century BC - 1st century BC - other centuries) (2nd millennium BC - 1st millennium BC - 1st millennium AD) Events BC 168 Battle of Pydna -- Macedonian phalanx defeated by Romans BC 148 Rome conquers Macedonia BC 146 Rome destroys Carthage in the Third Punic War BC 146 Rome conquers...

Decades: 300s BC 290s BC 280s BC 270s BC 260s BC - 250s BC - 240s BC 230s BC 220s BC 210s BC 200s BC This is a list of decades which have articles with more information about them. ... Centuries: 5th century BC - 4th century BC - 3rd century BC Decades: 350s BC 340s BC 330s BC 320s BC 310s BC - 300s BC - 290s BC 280s BC 270s BC 260s BC 250s BC Years: 309 BC 308 BC 307 BC 306 BC 305 BC 304 BC 303 BC 302 BC... Centuries: 4th century BC - 3rd century BC - 2nd century BC Decades: 340s BC 330s BC 320s BC 310s BC 300s BC - 290s BC - 280s BC 270s BC 260s BC 250s BC 240s BC Years: 299 BC 298 BC 297 BC 296 BC 295 BC 294 BC 293 BC 292 BC... Centuries: 4th century BC - 3rd century BC - 2nd century BC Decades: 330s BC 320s BC 310s BC 300s BC 290s BC - 280s BC - 270s BC 260s BC 250s BC 240s BC 230s BC Years: 289 BC 288 BC 287 BC 286 BC 285 BC 284 BC 283 BC 282 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 Years: 279 BC 278 BC 277 BC 276 BC 275 BC 274 BC 273 BC 272 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: 269 BC 268 BC 267 BC 266 BC 265 BC 264 BC 263 BC 262 BC... 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... Centuries: 4th century BC - 3rd century BC - 2nd century BC Decades: 290s BC 280s BC 270s BC 260s BC 250s BC - 240s BC - 230s BC 220s BC 210s BC 200s BC 190s BC Years: 249 BC 248 BC 247 BC 246 BC 245 BC 244 BC 243 BC 242 BC... Centuries: 4th century BC - 3rd century BC - 2nd century BC Decades: 280s BC 270s BC 260s BC 250s BC 240s BC - 230s BC - 220s BC 210s BC 200s BC 190s BC 180s BC Years: 239 BC 238 BC 237 BC 236 BC 235 BC 234 BC 233 BC 232 BC... Centuries: 4th century BC - 3rd century BC - 2nd century BC Decades: 270s BC 260s BC 250s BC 240s BC 230s BC - 220s BC - 210s BC 200s BC 190s BC 180s BC 170s BC Years: 229 BC 228 BC 227 BC 226 BC 225 BC 224 BC 223 BC 222 BC... Centuries: 4th century BC - 3rd century BC - 2nd century BC Decades: 260s BC 250s BC 240s BC 230s BC 220s BC - 210s BC - 200s BC 190s BC 180s BC 170s BC 160s BC Years: 219 BC 218 BC 217 BC 216 BC 215 BC 214 BC 213 BC 212 BC... Centuries: 4th century BC - 3rd century BC - 2nd century BC Decades: 250s BC 240s BC 230s BC 220s BC 210s BC - 200s BC - 190s BC 180s BC 170s BC 160s BC 150s BC Years: 209 BC 208 BC 207 BC 206 BC 205 BC 204 BC 203 BC 202 BC...

Years: 260 BC 259 BC 258 BC 257 BC 256 BC - 255 BC - 254 BC 253 BC 252 BC 251 BC 250 BC A year is the time between two recurrences of an event related to the orbit of the Earth around the Sun. ... 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... 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: 264 BC 263 BC 262 BC 261 BC 260 BC - 259 BC - 258 BC 257 BC... 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: 263 BC 262 BC 261 BC 260 BC 259 BC - 258 BC - 257 BC 256 BC... 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: 262 BC 261 BC 260 BC 259 BC 258 BC - 257 BC - 256 BC 255 BC... 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... 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... 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: 258 BC 257 BC 256 BC 255 BC 254 BC - 253 BC - 252 BC 251 BC... 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... 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: 256 BC 255 BC 254 BC 253 BC 252 BC - 251 BC - 250 BC 249 BC... 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...

Events

• First Punic War: Battle of Tunes, the Carthaginians under Xanthippus, a Greek mercenary, defeat the Romans under Marcus Atilius Regulus, who is captured.
• Diodotus revolts from Antiochus II Theos, ruler of the Seleucid Empire, establishing the kingdom of Bactria. (approximate date)
• East Zhou Hui Wang becomes the last claimant King of the Zhou Dynasty of China.
• Zhao Xiang Wang becomes the first King of the Qin Dynasty of China.
• Eratosthenes invented the armillary sphere.

History -- Military History -- War The First Punic War was fought between Carthage and the Roman Republic from 264 BC to 241 BC. It was the first of three major wars between the two powers for supremacy in the Mediterranean Sea. ... The Battle of Tunis between the Roman Republic and Carthage occured in 256 BC during the First Punic War. ... A map of the central Mediterranean Sea, showing the location of Carthage (near modern Tunis). ... Xanthippus was a Greek (possibly Spartan) mercenary general hired by the Carthaginians to aid in their war against the Romans during the First Punic War. ... See also Roman Republic (18th century) and Roman Republic (19th century). ... Several notables of the Roman Republic were named Marcus Atilius Regulus, by far the most notable was: Marcus Atilius Regulus (died c. ... The founder of the Greco-Bactrian kingdom, Diodotus ca. ... Coin of Antiochus II Theos (261-246 BC) Antiochus II Theos (286 - 246 BC reigned 261 - 246 BC) succeeded his father Antiochus I Soter as head of the Seleucid dynasty on 261 BC. He was the son of Antiochus I and princess Stratonice, the daughter of Demetrius Poliorcetes He inherited... The Seleucid Empire was one of several political states founded after the death of Alexander the Great, whose generals squabbled over the division of Alexanders empire. ... Bactria (Bactriana) was the ancient Greek name of the country between the range of the Hindu Kush (Caucasus Indicus) and the Amu Darya (Oxus), with the capital Bactra (now Balkh)In Afghanistan. ... King Hui of Eastern Zhou, trad. ... Alternative meaning: Zhou Dynasty (690 CE - 705 CE) The Zhou Dynasty (周朝; Wade-Giles: Chou Dynasty) (late 10th century BC to late 9th century BC - 256 BC) followed the Shang (Yin) Dynasty and preceded the Qin Dynasty in China. ... The Qin Dynasty (Wade-Giles) (秦朝 221 BC - 207 BC) was preceded by the Zhou Dynasty and followed by the Han Dynasty in China. ... Eratosthenes (Ερατοσθένης) Eratosthenes (Ερατοσθένης) (276 BC - 194 BC) was a Greek mathematician, geographer and astronomer with (probably) Chaldean origins. ... Armillary sphere An armillary sphere (also known as spherical astrolabe) is a model of the celestial sphere, invented by Eratosthenes in 255 BC. Its name comes from the Latin armilla (circle, bracelet), since it has a skeleton made of graduated metal circles linking the poles and representing the equator, the...

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