<i>The nave of old St Paul's cathedral was used as a market place with records of people weeing in dark corners and cows running amok</i>

I can think of at least 3 churches where I've attended juggling clubs in the past few years. No, make that 4...

Churches are 'community' places, not just for worship. Who's to say the same hasn't always been true of sacred places? Oh, and define 'sacred' :-))