Riot Act
The Riot Act, sometimes called the Riot Act 1714 or the Riot Act 1715, was an act of the Parliament of Great Britain which authorised local authorities to declare any group of 12 or more people to be unlawfully assembled and order them to disperse... Wikipedia
Originally published: August 1, 1715
Long title: An Act for Preventing Tumults and Riotous Assemblies, and for the more speedy and effectual Punishing the Rioters
Repealed by: Criminal Law Act 1967