3rd century BC

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Centuries:	4th century BC - 3rd century BC - 2nd century BC
Decades:	290s BC 280s 270s 260s 250s 240s 230s 220s 210s 200s BC

(2nd millennium BC - 1st millennium BC - 1st millennium)

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The 3rd century BC started on January 1, 300 BC and ended on December 31, 201 BC.

Contents 1 Events 2 Significant persons 3 Inventions, discoveries, introductions 4 Decades and years

[edit] Events

• Teotihuacán, Mexico begun
• The first two Punic Wars between Carthage and Rome over dominance in western Mediterranean
• Rome conquers Spain
• Gaulish migration to Macedon, Thrace and Galatia
• 282-226: Colossus of Rhodes
• 281 BC Antiochus I Soter, on the assassination of his father Seleucus becomes emperor of the Seleucid empire.
• 279 BC Singidunum and Taurunum, today's Belgrade and Zemun, founded by Scordisci Celts
• 275 BC: end of history of Babylon
• 273 BC to 252 BC Ashoka the Great ruled the Mauryan Empire
• 261 BC Antiochus II Theos, 2nd son, at the death of his father becomes emperor of the Seleucid empire.
• 214 BC Qin Shi Huang Qin Dynasty ordered construction of the Great Wall of China.
• Indian traders regularly visited Arabia
• Scythians occupy Sogdiana, in modern-day Uzbekistan.
• Han dynasty was founded (202 BC - 8 AD).
• The Pharos of Alexandria is built.
• Appearance of the Hopewell culture in Ohio, USA

[edit] Significant persons

• Appius Claudius Caecus, Aqua Appia, Via Appia, invented letter G
• Mencius, Chinese philosopher and sage (371 - 289 BC).
• Euclid, geometer (c. 365 - 275 BC).
• Ashoka, Mauryan ruler of India 273 BC - 232 BC.
• Arcesilaus, founder of new Academy
• Archimedes of Syracuse, mathematician, physicist, and engineer (c. 287 - 212 BC).
• Manetho, wrote History of Egypt
• The Ptolemaic dynasty rules Egypt
  • Ptolemy I Soter (305 BC-282 BC) and his wives Eurydice and
  • Ptolemy II Philadelphos (284 BC-246 BC) and his wives Arsinoe I and Arsinoe II Philadelphos.
  • Ptolemy III Euergetes I (246 BC-222 BC) and his wife Berenice II.
  • Ptolemy IV Philopater (222 BC-204 BC) and his wife Arsinoe III.
  • Ptolemy V Epiphanes (204 BC-180 BC) and his wife Cleopatra I.
• Eratosthenes (c. 276 - 194 BC), Greek mathematician, geographer and astronomer.
• Apollonius of Perga, mathematician (c. 262 - 190 BC).
• Qin Shi Huang, Chinese Emperor (259 - 210 BC, reigned 246 - 210 BC).
• Hannibal, military leader of Carthage (247 - 182 BC).
• the "second" Brennus, Gaulish chieftain, invades Macedonia in 279 BC
• Xun Zi, founder of Legalism (philosophy)
• Zeno of Citium, founder of Stoicism

[edit] Inventions, discoveries, introductions

• Eratosthenes accurately calculates diameter of the Earth
• Weiqi well-established in China, and may date back to the 2nd millennium BC
• Stone of Canopus (for Ptolemy III), No. 1, in Rosetta Stone Series of 3 stones. Implements Leap year in Egypt. Leap year not formally recognized until Caesar in 55 B.C.
• 293 BC: first Roman Sundial [Pliny (79ce): Natural History 7.213]
• Water screw invented by Archimedes
• Invention of the musical instrument hydraulis, the precursory to the Pipe organ by Ktesibios, a Greek engineer working in Alexandria.

[edit] Decades and years

300s BC	309 BC	308 BC	307 BC	306 BC	305 BC	304 BC	303 BC	302 BC	301 BC	300 BC
290s BC	299 BC	298 BC	297 BC	296 BC	295 BC	294 BC	293 BC	292 BC	291 BC	290 BC
280s BC	289 BC	288 BC	287 BC	286 BC	285 BC	284 BC	283 BC	282 BC	281 BC	280 BC
270s BC	279 BC	278 BC	277 BC	276 BC	275 BC	274 BC	273 BC	272 BC	271 BC	270 BC
260s BC	269 BC	268 BC	267 BC	266 BC	265 BC	264 BC	263 BC	262 BC	261 BC	260 BC
250s BC	259 BC	258 BC	257 BC	256 BC	255 BC	254 BC	253 BC	252 BC	251 BC	250 BC
240s BC	249 BC	248 BC	247 BC	246 BC	245 BC	244 BC	243 BC	242 BC	241 BC	240 BC
230s BC	239 BC	238 BC	237 BC	236 BC	235 BC	234 BC	233 BC	232 BC	231 BC	230 BC
220s BC	229 BC	228 BC	227 BC	226 BC	225 BC	224 BC	223 BC	222 BC	221 BC	220 BC
210s BC	219 BC	218 BC	217 BC	216 BC	215 BC	214 BC	213 BC	212 BC	211 BC	210 BC
200s BC	209 BC	208 BC	207 BC	206 BC	205 BC	204 BC	203 BC	202 BC	201 BC	200 BC
190s BC	199 BC	198 BC	197 BC	196 BC	195 BC	194 BC	193 BC	192 BC	191 BC	190 BC

Millennium	Century
4th BC:	40th BC	39th BC	38th BC	37th BC	36th BC	35th BC	34th BC	33rd BC	32nd BC	31st BC
3rd BC:	30th BC	29th BC	28th BC	27th BC	26th BC	25th BC	24th BC	23rd BC	22nd BC	21st BC
2nd BC:	20th BC	19th BC	18th BC	17th BC	16th BC	15th BC	14th BC	13th BC	12th BC	11th BC
1st BC:	10th BC	9th BC	8th BC	7th BC	6th BC	5th BC	4th BC	3rd BC	2nd BC	1st BC
1st:	1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th
2nd:	11th	12th	13th	14th	15th	16th	17th	18th	19th	20th
3rd:	21st	22nd	23rd	24th	25th	26th	27th	28th	29th	30th
4th:	31st	32nd	33rd	34th	35th	36th	37th	38th	39th	40th