It's illegal to be drunk in a pub or carry a plank on a pavement but you are NOT allowed to shoot a Welshman dead with a longbow: After straw bale was hung from Millennium Bridge, we reveal weird laws still on the books - and some that never were
The Metropolitan Police Act 1839 states you cannot carry a plank along a pavement in London unless you are loading or unloading it from a vehicle. Above: Eric Sykes in The Plank.
Source: dailymail.co.uk