The pharaoh known for the construction of the Great Pyramid at Giza is Khufu, also referred to as Cheops. Khufu ruled during the Fourth Dynasty of the Old Kingdom of Egypt around 2580–2560 BC. The Great Pyramid stands as a testament to his immense power and the sophistication of ancient Egyptian architecture. It was built as a monumental tomb reflecting the pharaoh’s status and beliefs in the afterlife, serving both religious and political purposes in ancient Egyptian society.