The Egyptians greatest achievement was erigation of the Nile river. This helped them to grow crops which also helped them to make there civilization more prosperous.

Mummification was another big break through as it helped them to understand the human body and how it worked. This led to surgery and saving lives.

Astronomy was the third achievement making them aware of the starts as well as the earth. They made many calendars and 60 min and 24 hours, and 12 months and 30 days.

Egyptians mathematics were very advanced they had plots of land and surveying as well as taxing people. 

Digging for gold and gold minds. Theses gave the Egyptians death, power, and money to by things with others.