Annie's April Fool's Day Page
   Tells about the holiday's history and considers the day from a Christian perspective.
   http://www.annieshomepage.com/aprilfools.html

April Fool's Day
   Includes hoaxes, pranks, gag gifts, trivia, history, quotes, messages, funny party ideas and April Fool recipes.
   http://www.thefoolsday.com/

April Fool's Day (April 1 )
   Offers some history about the tradition.
   http://stockholm.usembassy.gov/Holidays/celebrate/april.html

April Fool's Day or All Fool's Day
   Features brief history of the holiday.
   http://www3.kumc.edu/diversity/other/aprlfool.html

April Fools' Day Quiz
   See if you can get the obvious answers to these April Fools' Day questions.
   http://reference.aol.com/nowyouknow/aprilfools

Infoplease.com: April Fool's Day Has Serious Origins
   Relates the serious origin and history of this light-hearted day.
   http://www.infoplease.com/spot/aprilfools1.html

Lesson Plan - April Fool's Day
   Lesson plans for grades 3 and 4 developed as a student project at Utah State University.
   http://teacherlink.ed.usu.edu/tlresources/units/Byrnes-celebrations/april.html

Snopes.com - April Fool's Day Origins
   In-depth look at several of the legends that surround the origins of the holiday. Includes some modern day examples.
   http://www.snopes.com/holidays/aprilfools/origins.asp

Teachnet.Com / April Fool's Day
   Features ideas for teachers to use in the classroom. Includes a short April Fool's quiz.
   http://teachnet.com/lesson/seasonal/aprilfool0329.html

Wikipedia - April Fool's Day
   Hyperlinked encyclopedia article includes the day's origin and information on well-known hoaxes.
   http://en.wikipedia.org/wiki/April_Fool's_Day