Following the crackdown on radical protest after Peterloo, Arthur Thistlewood conceived the idea of assassinating the entire Cabinet in order to spark a general rebellion in Britain.  
It was engendered by the Six Acts.  Its organizer, having visited the U.S. and France in the 1790s, became obsessed with the idea that a true patriot must overthrow the established government.  Following the crackdown on radical protest after Peterloo, Arthur Thistlewood conceived the idea of assassinating the entire Cabinet in order to spark a general rebellion in Britain.  Shortly before he and his conspirators were to leave their room on a certain street to commit the crime, they were apprehended.  FTP, name this botched plan.
It was engendered by the Six Acts.  Its organizer, having visited the U.S. and France in the 1790s, became obsessed with the idea that a true patriot must overthrow the established government.  
Cato Street Conspiracy