The time span from 220 BC to 220 AD is 440 years. This is calculated by adding the 220 years from 220 BC to 1 BC and the 220 years from AD 1 to 220 AD, since there is no year 0 in the transition from BC to AD.
400 BC is earlier than 220 BC
1227 BC, mongols ruled all of northern china
The Han dynasty ruled ancient China from 220 BC to 220 AD.
IN1260 TO1323 BC
220 BC
The watermill was invented in China during the Han dynasty (202 BC - 220 The watermill was invented in China during the Han dynasty (202 BC - 220
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It was created in 25 bc and ended in 220 ad.
The period from 202 BC to AD 220 spans the 3rd century BC through the 3rd century AD. The 3rd century BC includes the years 300-201 BC, and the 1st, 2nd, and 3rd centuries AD encompass the years 1-300 AD. Therefore, this timeframe includes parts of the 3rd century BC, the entire 1st and 2nd centuries AD, and extends into the early 3rd century AD.
Remembering that there was no year zero, it is 429 years.
426 years