April Fool's Day 

1. When is April Fool's Day? April Fool's Day is on April 1st.

2. What is the purpose of April Fool's Day? the purpose of April Fools Day is celebrated each year on the fist of April as a when people play practical jokes  on each other.

3.What are the few theories behind April fool's day? Sometimes is makes people look stupid by cranking jokes and pranks on others. 

4.What are a few of pros. and cons of April Fool's Day? ''I've never played an April fool's prank on anyone because April fool's prank are either cruel boorish or childish.''