The First Intermediate Period, often described as a "dark period" in ancient Egyptian history, spanned approximately one hundred twenty-five years, from ca. 2181–2055 BC, after the end of the Old Kingdom. It included the seventh, eighth, ninth, tenth, and part of the eleventh dynasties.

History of Ancient Egypt
History (periods): Predynastic Period | Early Dynastic Period | Old Kingdom | First Intermediate Period | Middle Kingdom | Second Intermediate Period | New Kingdom | Third Intermediate Period | Late Period