One city prides itself as the cradle of the working class. Here's why

British forces charge crowds during bread riots in Manchester, England, in 1819. The event became known as the Peterloo Massacre, when troops were ordered to disperse the crowds.

As politicians worldwide scramble to appeal to working people, this city in northern England has a claim to be the birthplace of the very concept of the working class.

(Image credit: Rischgitz)