小学英语作文：愚人节 April Fools Day

April 1 every year is April Fool's Day. It is the happiest day for the people in western countries. On April 1, you can tell a lie, make a joke to others, or cheat them, but they will not be angry with you.

If it were April 1 today, you could tell your good friends, "I hear there is an important exam tomorrow. Don't tell others about it". And the people who believe you are called April Fools.

This custom started in France during the 16th century. It spread to England in the 18th century, and then to the United States.