Around 2050 BC: Middle Kingdom starts
Powerful pharaoh defeatedrivals and united Egypt
Period of order and stability until around 1750 BC
Around 1750 BC: End of Middle Kingdom
What caused the end of the Middle Kingdom? Egypt had fallen into disorder and the Hyksos, a group from Southwest Asia, invaded with horses, chariots and advancedweapons and conquered lower Egypt.
Mid 1500s BC: Ahmose of Thebes (in Upper Egypt) drove out the Hyksos and ruled all of Egypt.