The Middle Kingdom lasted from approximately 2050 to 1710 BC, stretching from the reunification of Egypt under the reign of Mentuhotep II in the Eleventh Dynasty to the end of the Twelfth Dynasty. ... During the Middle Kingdom period, Osiris became the most important deity in popular religion.
the pharaohs began constructing on the pyramids and they filled them with gold and they held the kings/pharaohs gold and riches so it was very big in Egypt
