170s BC Chr.
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179 BC Chr. |
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171 BC Chr. |
170 BC Chr.
Events
- 179 BC BC : The Celtiberian War ends with a victory for the Romans .
- 170 BC BC : Hypsicles of Alexandria divides the circle into 360 degrees . With this he lays the basis for trigonometry in its preliminary form, the chord calculation.
Web links
Commons : 170s BC Chr. - collection of pictures, videos and audio files
