Louis XIV ruled from the year 1643 to the year 1715, the longest reign in European history.
They have a maximum of two terms of four years, so eight years is the longest they can serve.
Kangxi's reign of 61 years makes him the longest-reigning Chinese emperor in history.Kangxi's reign brought about long-term stability and relative wealth after years of war and chaos.
Stanley njibiri
20 years or longer
because she rules the country in a sensible way and people compliment on it and people are also surprised at how long she has been on the throne! such a long reign that she is the second longest serving monarch
The longest song ever in the USA was 75 minutes
How long is Ussr's longest river?
It was adopted in 1963. It is 48 years old.
henry reign from 1509 until 1547 .
5yrs then if elected again five yrs then retires!
she was reign for 44 years and 4 months :)