I first saw this on the The Virtual Stoa.
If you enter your date of birth into the Hit40 Birthday calculator you can find out what was the UK's number one single on your birth date (if you were born after 15 November 1952 that is).
In the hope that the number on on my birth date would be something that di not suck I duly entered the relevant information. Did I get the Stones or the Beatles? Did I hell! The UK chart topper was the forgotten Shadows instrumental Foot Tapper. Ah well. Just to show you how medoiocre it is, here they are performing it on datyime tv (I think)