Question

When were the Great Pyramids built?
during the Old Kingdom of Egypt
during the Middle Kingdom of Egypt
during the New Kingdom of Egypt
during the decline of Egyptian civilization

Answer 1

"during the Old Kingdom of Egypt"
Source: http://en.wikipedia.org/wiki/Old_Kingdom_of_Egypt
"However, the full development of the pyramid style of building was reached not at Saqqara, but during the building of the "great pyramids" at Giza.[6]"

Answer 2

along time ago

Answer 3

thanks

Answer 4

go away @GoldPhenoix