Hylaeosaurus armatus
The Battersea Shield. Sutton Hoo. The Lindisfarne Gospels.
Wat Tyler, The Diggers, Turing, The Chartists, The Tolpuddle Martyrs, Emmeline Pankhurst and the Suffragets, The Luddites and the Swing Rioters, William Wilberforce, Freeborn John, The Putney Debates, Darwin and Wallace, Caxton etc etc