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

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

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

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

Jeanne's April Fool's Day Short history of the day, ideas, and links. http://www.jeannepasero.com/april.html

Urban Legends Reference Pages: April Fool's Day An 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/april/aprlfool.htm

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

NetGlimse.Com - April Fool's Day Includes history, customs, and greetings. http://www.netglimse.com/holidays/april_fools'_day/

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

Shavu'os and Bar Mitzvah: Causes For Celebration Explains origins of some traditions in the celebration and why bar mitzvah is absent in the Torah. http://www.torah.org/learning/yomtov/shavuos/vol2no14.html