US presidential elections (first Tuesday in November).
Leap years occur every four years.
four
The Olympics are held once every fourth year.
yes the summer Olympics do occur every four years !!! i hope i helped
elections -every four years. christmas - 25th december. olympics-every four years.
Every 4 (four) years. The next is 2016. The summer Olympics occur every 4 years.
Every four years.
Summer Olympics occur every four years.
There is a winter Olympics every four years.
Every four years, two years after the summer ones.
The Summer Olympics take place every four years.
The Summer Olympics occurs every four years!