From UFOs landing in London to baseball pitchers who can throw a ball at 168 miles per hour, the world has heard it all and believed it all -- before realising the stories were all out on April 1.

External Link: Top 100 April Fool's Day Hoaxes of All Time!

As April Fools Day rolls in, expect those e-mails to fly in thick and fast -- messages like the one about top Bangladesh cricketers failing dope tests to enable India's re-entry into the World Cup, for instance.

Now, dear reader, here's your chance to share your favourite April Fool's prank. Over the years, what is the most outrageous prank you have managed to pull? Even better, what was the most embarrassing prank someone managed to pull on you? Tell us!