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
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.
70 in the last 15 years
In the last 60 years, Toronto has experienced a white Christmas approximately 40% of the time, which translates to around 24 instances. A "white Christmas" is defined as having at least 2.5 cm of snow on the ground on December 25. This means that while snow on Christmas Day is not guaranteed, it does occur fairly regularly in Toronto's winter climate.
10 years!