When was the construction of the Cheops pyramid carried out?

The pyramid of Cheops was built over 20 years, starting in 2560 BC. This pyramid is one of the largest in Egypt, belongs to the Seven Wonders of the World, and it is the only one that has survived to this day. It is located in the area of the capital of Egypt, near the Nile Delta. The first mention of the pyramid dates back to the 5th century BC. Herodotus wrote about her. The papyri of Egypt do not contain any information about the pyramid.