Name something that only happens once every 4 years?

Answer 1

One example of an event that occurs once every four years is the Olympic Games. The Summer and Winter Olympics alternate every four years, providing athletes from around the world the opportunity to compete on a global stage. This quadrennial event showcases a wide range of sports and brings nations together in the spirit of competition and sportsmanship.

Answer 2

A leap year happens only once every four years; that is also true of US Presidential elections.

Answer 3

leap year, Olympics