Cleopatra ruled from the age of 17 to the age of 36 so she ruled for 19 years
If I'm not mistaken, until they died.
he ruled for 67 years before dieing
Suleiman ruled Turkey and its empire for 46 years.
The Yuan Dynasty ruled from 1271A.D.-1368A.D. or C.E. so really it ruled for 89 years