Depends on where you live
7 Chrismases
the Leo last around 2165 years.
There have been six leap years in the last 25.
i think it last 5-10 years
They easily last 30 to 40 years, if not longer.
4 years
70 in the last 15 years
Shaun White has been is the Olympics for 3 years.
James and Ellen White were married for about 35 years.
It took 8 years to build the White House.
10 years!
5 years