Like the day Neil Armstrong stepped on to the moon (if you were born then, if not, skip this bit) or when Alan Bradley got run over by a Blackpool tram on Coronation Street (ditto) – everybody can remember where they were on that fateful day in Radio 1 history.
Listening to the radio. Obviously.

Now, following high level negotiations after a chance meeting between Fat Harry White and Scoff Cruddle at a Bedford Rascal Enthusiasts rally, Mark and Marc have been coaxed back to wrestle once again on the sheepskin rug of light entertainment.

The ordeal will begin at 7.30 pm assuming everyone gets their act together.