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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 BCCenturies: 3rd century BC 2nd century BC 1st century BC Decades: 220s BC 210s BC 200s BC 190s BC 180s BC 170s BC 160s BC 150s BC 140s BC 130s BC 120s BC Years: 179 BC 178 BC 177 BC 176 BC 175 BC 174 BC 173 BC 172 BC 171 BC 170 BC Events and Trends 170s BC Years: 225 BCCenturies: 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: 230 BC 229 BC 228 BC 227 BC 226 BC 225 BC 224 BC 223 BC 222 BC 221 BC 220 BC Events Seleucus II 224 BCCenturies: 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 221 BC 220 BC 219 BC Events The Battle 223 BCCenturies: 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: 228 BC 227 BC 226 BC 225 BC 224 BC 223 BC 222 BC 221 BC 220 BC 219 BC 218 BC Events Antiochus I 222 BCCenturies: 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: 227 BC 226 BC 225 BC 224 BC 223 BC 222 BC 221 BC 220 BC 219 BC 218 BC 217 BC Events Marcus Clau 221 BCCenturies: 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: 226 BC 225 BC 224 BC 223 BC 222 BC 221 BC 220 BC 219 BC 218 BC 217 BC Events State of Qin conqu - 220 BC - 219 BCCenturies: 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: 224 BC 223 BC 222 BC 221 BC 220 BC 219 BC 218 BC 217 BC 216 BC 215 BC 214 BC Events Second Puni 218 BC 217 BC 216 BC 215 BC

Events

October/ November - Pharaoh Ptolemy IV of Egypt marries his sister, who rises to the throne as Arsinoe III of Egypt.
Eratosthenes measures the size of the Earth.
On the island Crete, the Gortynians occupy Matala.
The Romans begin work on the Via Flaminia, a road leading north out of the city.
Qin Shi Huang began a system of tree-lined roads to interconnect all parts of China, and began to join regional walls to form the Great Wall (Wan li chang cheng).

Births

Deaths

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Topics: 220 BC, 220s BC, 220s, 220 (number)...

220s BCCenturies: 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 221 BC 220 BC Events and Trends 220s BC	220sCenturies: 2nd century 3rd century 4th century Decades: 170s 180s 190s 200s 210s 220s 230s 240s 250s 260s 270s Years: 220 221 222 223 224 225 226 227 228 229 Significant people Alexander Severus, Roman Emperor 220s.	220Events Han Xiandi abdicated, symbolizing the end of the Han Dynasty and the beginning of the Three Kingdoms period in China. Cao Pi succeeds his father Cao Cao as ruler of the Kingdom of Wei Births Deaths Cao Cao, self-appointed prime minister of the Han
220 BCCenturies: 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: 225 BC 224 BC 223 BC 222 BC 221 BC 220 BC 219 BC 218 BC 217 BC 216 BC 215 BC Events October/ No	220 (number)220 two hundred [and] twenty is the natural number following 219 and preceding 221. 220 Ordinaltwo hundred twenty Cardinaltwo hundred twentieth Factorization Roman numeralCCXX Binary11011100 HexadecimalDC Mathematics It is a composite number, with its div

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