Following the Peterloo massacre and the Cato Street conspiracy, the Queen Caroline Affair was the final great political and cultural event of the trilogy that spans the years 1819-1821. It was also the final banner under which both radicals and reformers could unite – until the Reform riots ten years later. The Queen Caroline Affair, as William Hazlitt would later note, became the concern of all sections of society:
It was the only question I ever knew that excited a thorough popular feeling. It struck its roots into the heart of the nation; it took possession of every house or cottage in the kingdom; man, woman, and child took part in it, as if it had been their own concern [...] it spread like …