When did the Fatimid dynasty rule its empire?

The Fatimid dynasty ruled its empire from 909 to 1171 CE.12

While the dynasty established its power in Tunisia and Sicily in 909, it later expanded into Egypt, where it founded the city of Cairo in 969. At its height in the early 11th century, the Fatimid caliph claimed sovereignty over regions including North Africa, Sicily, the Hejaz, Yemen, Syria, and Palestine. The empire eventually declined in the late 11th century, leading to its final collapse in 1171.32