title: 670 BC
text: # 670 BC
  
  The year 670 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 84 Ab urbe condita . The denomination 670 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
  
  ## Events
  
  * King Gyges of Lydia mints the first Greek coins.
  * Miletus begins establishing colonies in the Black Sea and Mediterranean Sea.
  * Metallurgy was invented
  