How many years are in a semicentennial?

More Questions:

Which Mario Kart game first featured 12 racers instead of 8?

What is a Hurdy-Gurdy?

What is the most common first name in the world?

From what language did English borrow the word "pundit"?

What musical is set in the fictional English town of Everington?

What Marvin Hamlisch musical is about dancers auditioning for a musical?

Whose sidekick was named Sancho Panza?

What author created the character of Tom Buchanan?

What postal code has Canada Post assigned to Santa Claus's residence at the North Pole?

What does the term "scramjet" stand for?

What year did "Video Killed the Radio Star" become the first music video on MTV?

What explorer was the first to sail around the southern tip of South America, and name it Cape Horn?

In 1991, who finally broke Bob Beamon's decades-old long jump record?

The National Geographic Society was founded in 1888, in which US city?

The Khyber pass joins which two countries?