Until now, no one knows the history of the birth of April Fool's Day, although internationally on 1 April Fools Day! continue celebrated with great excitement and with a variety of jokes and silliness that started from the ordinary to bizarre, this is related to changes in the Gregorian calendar date by Charles IX of France in the know, 1852, and who was previously the New Year on March 25 to April 1 (week of new year), then moved to January 1st.
Due to circumstances at that time were still ancient and lay people who still commemorate the turn of the year on April 1, and some refuse to recognize the new year on 1January. So people are then given the label "stupid" by people in general, most participated in the mockery and sent on "assignment stupid," sent invitations to parties and have no other practical jokes played on them. Butts of these pranks known as "poisson d'avril" or "April fish" because a young naive fish is easily caught.
This Jokes or harassment continues to develop from time to time and joke-playing habits increasingly continues on the first day of April. This tradition eventually spread elsewhere like to Britain and Scotland in the 18th century and was introduced to the American colonies by Britain and France.