Top 10 media generated April fool hoaxes.

It has become tradition to pull pranks on 1st of April and even the normally serious news media consider April Fools' Day hoaxes fairgame. Here is a list of top 10 media generated April fool hoaxes.
The Swiss Spaghetti Harvest (1957)
Nixon for President (1992)
Instant colour TV (1962)
Assassination of Bill Gates (2003)
Left-Handed Whopper (1998)
Water on Mars (2005)
Planetary Alignment Decreases Gravity (1976)
Mall of America West
Wisconsin State Capitol Collapses (1993)
UFO Lands in London (1989)

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