April Fools' Day

Description
April Fools' Day is an unannounced event taking place on April 1st since 2007.

Events

 * April Fools' Day 2007
 * April Fools' Day 2008
 * April Fools' Day 2009
 * April Fools' Day 2010
 * April Fools' Day 2011
 * April Fools' Day 2012