The pyramids at Giza (near Cairo) were built in the fourth dynasty, showing the power of the pharaonic religion and state. The Great Pyramid, the tomb of Pharaoh Khufu (also known as Cheops), is the only surviving example of the Seven Wonders of the Ancient World. Ancient Egypt reached the peak of its power, wealth, and territorial extent in the period called the New Empire (1567-1085 B.C.). Authority was again centralized, and a number of military campaigns brought Palestine, Syria, and northern Iraq under Egyptian control. **Persian, Greek, Roman, and Arab Conquerors **
In 525 B.C., Cambyses, the son of Cyrus the Great, led a Persian invasion force that dethroned the last pharaoh of the 26th Dynasty. The country remained a Persian province until Alexander the Great. The Roman/Byzantine rule of Egypt lasted for nearly 700 years. Following a brief Persian reconquest, Egypt was invaded and conquered by Arab forces in 642. A process of Arabization and Islamization ensued. Although a Coptic Christian minority remained--and remains today, constituting about 10% of the population--the Arab language inexorably supplanted the indigenous Coptic tongue. Ancient Egyptian ways--passed from pharaonic times through the Persian, Greek, and Roman periods and Egypt's Christian era--were gradually melded with or supplanted by Islamic customs. For the next 1,300 years, a succession of Turkish, Arabic, Mameluke, and Ottoman caliphs, beys, and sultans ruled the country.