9th DYNASTY OF EGYPT (jan 1, 2160 BC – jan 1, 2130 BC)
Description:
 Between the 9th and 10th dynasties, 18 kings have been listed, though only 6 names have been identified as many are missing or partially known. 
Added to timeline:
Date:
jan 1, 2160 BC
jan 1, 2130 BC
 ~ 30 years