What happened in 12th dynasty of Egypt?
The brilliant Egyptian Twelfth Dynasty— and the Golden Age of the Middle Kingdom— came to an end around 1800 BCE with the death of Queen Sobekneferu (1806-1802 BCE), and was succeeded by the much weaker Thirteenth Dynasty (1803-1649 BCE). Pharoahs ruled from Memphis until the Hyksos conquered the capital in 1650 BCE. When was the…