The Pharaoh who built the Great Pyramid at Giza is Khufu, also known as Cheops in Greek. Khufu ruled during the Fourth Dynasty of the Old Kingdom, around 2589 to 2566 BCE. The Great Pyramid, one of the Seven Wonders of the Ancient World, was constructed as a monumental tomb for Khufu. It demonstrates the Egyptians' remarkable engineering skills and was originally 146 meters tall. The project mobilized a vast workforce, showcasing the society's organizational capabilities and religious beliefs about the afterlife. Khufu’s pyramid remains a testament to ancient Egyptian civilization and its architectural achievements.