History of April Fool's day
On Howstuffworks, see why Why is April 1 a day to celebrate foolishness?Read more about April Fool's day on Urban legends reference pages at Snopes.com
Visit the Museum of hoaxes
Read the Guardian's April Fool's page
April 1st Rhymes and Quotations
Une courte séquence pour familiariser vos élèves aux coutumes d'autres pays.
Have a fun April fool's day customs, poems, vocabulary
April Fool's Day Quiz : is it true or is it a hoax ?
Another quick test

An April Fool's Day lesson at Developingteachers.com
An other idea for an April Fool's Day lesson
A reading with questions here
A short story here
Are you an April Fool? Try this quiz to find out!
Try the Guardian's April Fool's Day quiz
Test your knowledge about April Fool's Day
Start April Fool's Day with cartoons
Have your students do this wordsearch
Another wordsearch here
Activities offered by the British Council about April 1st
For Upper Intermediate Students and above, Are you an April Fool, a lesson from Inside Out

At Howstuffworks, learn everything about Easter's date
Easter eggs, the Easter bunny and Hot Cross Buns at Howstuffworks
Read about Easter history
Read about the Easter Bunny
Easter clipart here
More clipart and graphics here
More clipart at KidsDomain

Read about Earth Day history at KidsDomain
Earth Day clipart
An Earth Day resource page for teachers
Ten ways to celebrate Earth Day at school
Lots of links on Infonews

On the Paris English website a new page about "Environmental issues" with definitions, videos, animations and interactive activities. Click here

Have your students read an Earth Day story and answer the questions here
Discuss recycling
Interesting games and quizzes for your students to play on this page
Print some Earth Day bookmarks for your students
Download a printable Happy Earth Day Coloring and Activities Book