When the Third Intermediate Period of Egypt began, a death had occurred of Ramesses XI in 1070 BC. This ended the New Kingdom and starts a Late Period. The time had a political instability going on and many conquests by foreigners came around to Egypt.

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