本帖最后由 wyd2008 于 2010-3-30 11:50 编辑
April Fools' Day
From Wikipedia, the free encyclopedia Jump to: navigation, search This article is about the informal holiday. For other uses, see April Fool's Day (disambiguation) or April Fool.
April Fools' Day or All Fools' Day is a day celebrated in many countries on April 1. The day is marked by the commission of hoaxes and other practical jokes of varying sophistication on friends, family members, enemies, and neighbors, or sending them on a fool's errand, the aim of which is to embarrass the gullible. Traditionally, in some countries, such as the UK, Australia and South Africa the jokes only last until noon, and someone who plays a trick after noon is called an "April Fool".[1] Elsewhere, such as in Canada, France, Ireland, Italy, Japan, Russia, The Netherlands, and the U.S., the jokes last all day. The earliest recorded association between April 1 and foolishness can be found in Chaucer's Canterbury Tales (1392). Many writers suggest that the transition from the Julian Calendar to the Gregorian Calendar in the 16th century was responsible for the creation of the holiday, but this theory does not explain earlier references.
http://en.wikipedia.org/wiki/April_Fools'_Day
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