What international event is celebrated every April 22nd?

More Questions:

How many cards are there in the deck used to play the card game bezique?

The word "grenade" derives from the name of what fruit?

Who, in 1874, painted the picture "La Loge"?

Which ancient site in the mountains of Peru is known as "The Lost City of the Incas"?

What area of the Atlantic is said to be responsible for the disappearance of ships and aircraft?

What is a one-humped camel called?

How many calves does the average giraffe mother give birth to each time?

What is the only superhero film of the 1970s that earned enough at the box office to be a top ten film for that decade?

What instrument did jazz bandleader Count Basie play?

What Hollywood director had a small role in the movie "The Blues Brothers"?

In The Simpsons, which immigrant in Springfield actually got deported once?

In The Simpsons, what is the name of the Springfield football team?

Queen Mary of England made her reputation by trying to rid her country of what segment of the population?

What 1990's Russian president had quintuple bypass surgery while in office?

Which country suffered the most casualties in World War II?