Aching to disturb the peace before that wedding "I do"? You might want to check yourself if you're in South Australia, where disrupting a wedding (or funeral, for that matter) carries a fat $10,000 fine. That's right, in the fourth largest state in the whole country, that whole "speak now or forever hold your peace," is pure Hollywood poppycock, and carries a pretty steep consequence. 

This law dates all the way back to 1953 and is part of South Australia's Section 7A of the Summary Offences Act. Ceremonies do not need to be religious in nature, nor is this measure limited strictly to citizens. According to the law, perpetrators are subject to the 5-figure fine or two years (yes, years!) in jail. Seems like a good time to muzzle your drunk uncle.

While there isn't a whole lot of historical context to back up the peace-keeping measure, the law is still on the books. Next time you're exploring the southern reaches of Down Under, make sure to zip the lips before it costs you your trip.