What is the opposite of W

When is April Fools' Day celebrated?  

It is believed that the tradition of celebrating  April Fools Day began when French people switched to a different calendar. Can you tell that in which year this happened? 

Which country celebrates April Fools Day for two days consecutively

April Fools' day is known by a special name in Scotland. What is it? 

April Fool's Day is known as 'Dia da Mentira' in Brazil. What does this mean? 

People in Canada and in England believe that April Fools' jokes should be played until noon only. Is this statement true or false? 

French People refer to April Fool's day as 'Poisson d'Avri'. What does this mean? 

Which country has the custom of celebrating April Fool's day by throwing flour at their friends? 

In Vietnamese, "Cá Tháng Tư" is April Fool's Day. Which country uses the same name in their language ?

April Fools' Day is marked by parades and speeches

The pranks involve telling somebody something ...

The media and international companies invent stories to trick people on April Fool’s Day

Does April Fools' Day exist in Spain?